29edo: Difference between revisions

Jkarimak (talk | contribs)
TallKite (talk | contribs)
updated ups/down notation, added color names to the comma list, general cleanup
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<span style="display: block; text-align: right;">[[de:29edo]]</span>
<span style="display: block; text-align: right;">[[de:29edo]]</span>__FORCETOC__
 
=Theory=
__FORCETOC__
-----
 
=<span style="color: #ff4700; font-family: 'Times New Roman',Times,serif; font-size: 113%;">29 tone equal temperament</span>=


29edo divides the 2:1 [[Octave|octave]] into 29 equal steps of approximately 41.37931 [[cent|cents]]. It is the 10th [[prime_numbers|prime]] edo, following [[23edo|23edo]] and coming before [[31edo|31edo]].
29edo divides the 2:1 [[Octave|octave]] into 29 equal steps of approximately 41.37931 [[cent|cents]]. It is the 10th [[prime_numbers|prime]] edo, following [[23edo|23edo]] and coming before [[31edo|31edo]].
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A more coincidental similarity is that just as the 12-tone scale is also a 1/2-tone scale (the whole tone being divided into 2 semitones), the 29-tone temperament may also be called 2/9-tone. This is because it has two different sizes of whole tone (4 and 5 steps wide, respectively). So the step size of 29edo may be called a 2/9-tone, just as 24edo's step size is called a quarter tone.
A more coincidental similarity is that just as the 12-tone scale is also a 1/2-tone scale (the whole tone being divided into 2 semitones), the 29-tone temperament may also be called 2/9-tone. This is because it has two different sizes of whole tone (4 and 5 steps wide, respectively). So the step size of 29edo may be called a 2/9-tone, just as 24edo's step size is called a quarter tone.


=Intervals and linear temperaments=
=Intervals=
[[List_of_29et_rank_two_temperaments_by_badness|List of 29et rank two temperaments by badness]]
 
{| class="wikitable"
{| class="wikitable"
|-
|-
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downminor 2nd
downminor 2nd
| style="text-align:center;" | D^, Ebv
| style="text-align:center;" | ^D, vEb
| style="text-align:center;" |  
| style="text-align:center;" |  
|-
|-
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| style="text-align:center;" | ^m2
| style="text-align:center;" | ^m2
| style="text-align:center;" | upminor 2nd
| style="text-align:center;" | upminor 2nd
| style="text-align:center;" | Eb^
| style="text-align:center;" | ^Eb
| style="text-align:center;" | [[Negri|Negri]]/[[Negril|Negril]]
| style="text-align:center;" | [[Negri|Negri]]/[[Negril|Negril]]
|-
|-
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| style="text-align:center;" | vM2
| style="text-align:center;" | vM2
| style="text-align:center;" | downmajor 2nd
| style="text-align:center;" | downmajor 2nd
| style="text-align:center;" | Ev
| style="text-align:center;" | vE
| style="text-align:center;" | [[Porcupine|Porcupine]]/[[Porky|Porky]]/[[Coendou|Coendou]]
| style="text-align:center;" | [[Porcupine|Porcupine]]/[[Porky|Porky]]/[[Coendou|Coendou]]
|-
|-
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downminor 3rd
downminor 3rd
| style="text-align:center;" | E^, Fv
| style="text-align:center;" | ^E, vF
| style="text-align:center;" | [[Chromatic_pairs#Bridgetown|Bridgetown]]/[[Immunity|Immunity]]
| style="text-align:center;" | [[Chromatic_pairs#Bridgetown|Bridgetown]]/[[Immunity|Immunity]]
|-
|-
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| style="text-align:center;" | ^m3
| style="text-align:center;" | ^m3
| style="text-align:center;" | upminor 3rd
| style="text-align:center;" | upminor 3rd
| style="text-align:center;" | F^
| style="text-align:center;" | ^F
| style="text-align:center;" |  
| style="text-align:center;" |  
|-
|-
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| style="text-align:center;" | vM3
| style="text-align:center;" | vM3
| style="text-align:center;" | downmajor 3rd
| style="text-align:center;" | downmajor 3rd
| style="text-align:center;" | F#v
| style="text-align:center;" | vF#
| style="text-align:center;" |  
| style="text-align:center;" |  
|-
|-
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down 4th
down 4th
| style="text-align:center;" | F#^, Gv
| style="text-align:center;" | ^F#, vG
| style="text-align:center;" | [[Ammonite|Ammonite]]
| style="text-align:center;" | [[Ammonite|Ammonite]]
|-
|-
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| style="text-align:center;" | ^4
| style="text-align:center;" | ^4
| style="text-align:center;" | up 4th
| style="text-align:center;" | up 4th
| style="text-align:center;" | G^
| style="text-align:center;" | ^G
| style="text-align:center;" | [[Wilsec|Wilsec]]
| style="text-align:center;" | [[Wilsec|Wilsec]]
|-
|-
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dim 5th
dim 5th
| style="text-align:center;" | G#v, Ab
| style="text-align:center;" | vG#, Ab
| style="text-align:center;" | [[Tritonic|Tritonic]]
| style="text-align:center;" | [[Tritonic|Tritonic]]
|-
|-
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updim 5th
updim 5th
| style="text-align:center;" | G#, Ab^
| style="text-align:center;" | G#, ^Ab
| style="text-align:center;" |  
| style="text-align:center;" |  
|-
|-
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| style="text-align:center;" | v5
| style="text-align:center;" | v5
| style="text-align:center;" | down 5th
| style="text-align:center;" | down 5th
| style="text-align:center;" | Av
| style="text-align:center;" | vA
| style="text-align:center;" |  
| style="text-align:center;" |  
|-
|-
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downminor 6th
downminor 6th
| style="text-align:center;" | A^, Bbv
| style="text-align:center;" | ^A, vBb
| style="text-align:center;" |  
| style="text-align:center;" |  
|-
|-
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| style="text-align:center;" | ^m6
| style="text-align:center;" | ^m6
| style="text-align:center;" | upminor 6th
| style="text-align:center;" | upminor 6th
| style="text-align:center;" | Bb^
| style="text-align:center;" | ^Bb
| style="text-align:center;" |  
| style="text-align:center;" |  
|-
|-
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| style="text-align:center;" | vM6
| style="text-align:center;" | vM6
| style="text-align:center;" | downmajor 6th
| style="text-align:center;" | downmajor 6th
| style="text-align:center;" | Bv
| style="text-align:center;" | vB
| style="text-align:center;" |  
| style="text-align:center;" |  
|-
|-
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downminor 7th
downminor 7th
| style="text-align:center;" | B^, Cv
| style="text-align:center;" | ^B, vC
| style="text-align:center;" |  
| style="text-align:center;" |  
|-
|-
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| style="text-align:center;" | ^m7
| style="text-align:center;" | ^m7
| style="text-align:center;" | upminor 7th
| style="text-align:center;" | upminor 7th
| style="text-align:center;" | C^
| style="text-align:center;" | ^C
| style="text-align:center;" |  
| style="text-align:center;" |  
|-
|-
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| style="text-align:center;" | vM7
| style="text-align:center;" | vM7
| style="text-align:center;" | downmajor 7th
| style="text-align:center;" | downmajor 7th
| style="text-align:center;" | C#v
| style="text-align:center;" | vC#
| style="text-align:center;" |  
| style="text-align:center;" |  
|-
|-
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down 8ve
down 8ve
| style="text-align:center;" | C#^, Dv
| style="text-align:center;" | ^C#, vD
| style="text-align:center;" |  
| style="text-align:center;" |  
|-
|-
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| style="text-align:center;" | 6:7:9
| style="text-align:center;" | 6:7:9
| style="text-align:center;" | 0-6-17
| style="text-align:center;" | 0-6-17
| style="text-align:center;" | C Ebv G
| style="text-align:center;" | C vEb G
| style="text-align:center;" | C.vm
| style="text-align:center;" | Cvm
| style="text-align:center;" | C downminor
| style="text-align:center;" | C downminor
|-
|-
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| style="text-align:center;" | 10:12:15
| style="text-align:center;" | 10:12:15
| style="text-align:center;" | 0-8-17
| style="text-align:center;" | 0-8-17
| style="text-align:center;" | C Eb^ G
| style="text-align:center;" | C ^Eb G
| style="text-align:center;" | C.^m
| style="text-align:center;" | C^m
| style="text-align:center;" | C upminor
| style="text-align:center;" | C upminor
|-
|-
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| style="text-align:center;" | 4:5:6
| style="text-align:center;" | 4:5:6
| style="text-align:center;" | 0-9-17
| style="text-align:center;" | 0-9-17
| style="text-align:center;" | C Ev G
| style="text-align:center;" | C vE G
| style="text-align:center;" | C.v
| style="text-align:center;" | Cv
| style="text-align:center;" | C downmajor or C dot down
| style="text-align:center;" | C downmajor or C down
|-
|-
| style="text-align:center;" | ru
| style="text-align:center;" | ru
| style="text-align:center;" | 14:18:27
| style="text-align:center;" | 14:18:27
| style="text-align:center;" | 0-11-17
| style="text-align:center;" | 0-11-17
| style="text-align:center;" | C E^ G
| style="text-align:center;" | C ^E G
| style="text-align:center;" | C.^
| style="text-align:center;" | C^
| style="text-align:center;" | C upmajor or C dot up
| style="text-align:center;" | C upmajor or C up
|}
|}
For a more complete list, see [[Ups_and_Downs_Notation#Chord names in other EDOs|Ups and Downs Notation - Chord names in other EDOs]].
For a more complete list, see [[Ups_and_Downs_Notation#Chord names in other EDOs|Ups and Downs Notation - Chord names in other EDOs]].
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=Commas=
=Commas=
29 EDO tempers out the following commas. (Note: This assumes the val &lt; [http://tel.wikispaces.com/29_46_67_81_100_107 29 46 67 81 100 107] |, cent values rounded to 5 digits.)
29 EDO tempers out the following [[commas]]. (Note: This assumes the val &lt; [http://tel.wikispaces.com/29_46_67_81_100_107 29 46 67 81 100 107] |, cent values rounded to 5 digits.)


{| class="wikitable"
{| class="wikitable"
|-
|-
! | Comma
! | [[Ratio]]
! | Monzo
! | [[Monzo]]
! | Value (Cents)
! | [[Cents]]
![[Color notation/Temperament Names|Color Name]]
! | Name 1
! | Name 1
! | Name 2
! | Name 2
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| |<nowiki> | -14 3 4 </nowiki>&gt;
| |<nowiki> | -14 3 4 </nowiki>&gt;
| style="text-align:right;" | 51.120
| style="text-align:right;" | 51.120
| style="text-align:center;" |Laquadyo
| style="text-align:center;" | Negri Comma
| style="text-align:center;" | Negri Comma
| style="text-align:center;" | Double Augmentation Diesis
| style="text-align:center;" | Double Augmentation Diesis
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| |<nowiki> | 1 -5 3 </nowiki>&gt;
| |<nowiki> | 1 -5 3 </nowiki>&gt;
| style="text-align:right;" | 49.166
| style="text-align:right;" | 49.166
| style="text-align:center;" |Triyo
| style="text-align:center;" | Maximal Diesis
| style="text-align:center;" | Maximal Diesis
| style="text-align:center;" | Porcupine Comma
| style="text-align:center;" | Porcupine Comma
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| |<nowiki> | -15 8 1 </nowiki>&gt;
| |<nowiki> | -15 8 1 </nowiki>&gt;
| style="text-align:right;" | 1.9537
| style="text-align:right;" | 1.9537
| style="text-align:center;" |Layo
| style="text-align:center;" | Schisma
| style="text-align:center;" | Schisma
| style="text-align:center;" |  
| style="text-align:center;" |  
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| |<nowiki> | -9 1 2 1 </nowiki>&gt;
| |<nowiki> | -9 1 2 1 </nowiki>&gt;
| style="text-align:right;" | 43.408
| style="text-align:right;" | 43.408
| style="text-align:center;" |Lazoyoyo
| style="text-align:center;" | Avicennma
| style="text-align:center;" | Avicennma
| style="text-align:center;" | Avicenna's Enharmonic Diesis
| style="text-align:center;" | Avicenna's Enharmonic Diesis
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| |<nowiki> | -4 -1 0 2 </nowiki>&gt;
| |<nowiki> | -4 -1 0 2 </nowiki>&gt;
| style="text-align:right;" | 35.697
| style="text-align:right;" | 35.697
| style="text-align:center;" |Zozo
| style="text-align:center;" | Slendro Diesis
| style="text-align:center;" | Slendro Diesis
| style="text-align:center;" |  
| style="text-align:center;" |  
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| |<nowiki> | 1 -3 -2 3 </nowiki>&gt;
| |<nowiki> | 1 -3 -2 3 </nowiki>&gt;
| style="text-align:right;" | 27.985
| style="text-align:right;" | 27.985
| style="text-align:center;" |Trizo-agugu
| style="text-align:center;" | Senga
| style="text-align:center;" | Senga
| style="text-align:center;" |  
| style="text-align:center;" |  
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| |<nowiki> | -9 3 -3 4 </nowiki>&gt;
| |<nowiki> | -9 3 -3 4 </nowiki>&gt;
| style="text-align:right;" | 22.227
| style="text-align:right;" | 22.227
| style="text-align:center;" |Laquadzo-atrigu
| style="text-align:center;" | Squalentine
| style="text-align:center;" | Squalentine
| style="text-align:center;" |  
| style="text-align:center;" |  
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| |<nowiki> | 0 -2 5 -3 </nowiki>&gt;
| |<nowiki> | 0 -2 5 -3 </nowiki>&gt;
| style="text-align:right;" | 21.181
| style="text-align:right;" | 21.181
| style="text-align:center;" |Triru-aquinyo
| style="text-align:center;" | Gariboh
| style="text-align:center;" | Gariboh
| style="text-align:center;" |  
| style="text-align:center;" |  
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| |<nowiki> | -4 1 -5 5 </nowiki>&gt;
| |<nowiki> | -4 1 -5 5 </nowiki>&gt;
| style="text-align:right;" | 14.516
| style="text-align:right;" | 14.516
| style="text-align:center;" |Quinzogu
| style="text-align:center;" | Trimyna
| style="text-align:center;" | Trimyna
| style="text-align:center;" |  
| style="text-align:center;" |  
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| |<nowiki> | 5 -4 3 -2 </nowiki>&gt;
| |<nowiki> | 5 -4 3 -2 </nowiki>&gt;
| style="text-align:right;" | 13.469
| style="text-align:right;" | 13.469
| style="text-align:center;" |Rurutriyo
| style="text-align:center;" | Octagar
| style="text-align:center;" | Octagar
| style="text-align:center;" |  
| style="text-align:center;" |  
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| |<nowiki> | -5 2 2 -1 </nowiki>&gt;
| |<nowiki> | -5 2 2 -1 </nowiki>&gt;
| style="text-align:right;" | 7.7115
| style="text-align:right;" | 7.7115
| style="text-align:center;" |Ruyoyo
| style="text-align:center;" | Septimal Kleisma
| style="text-align:center;" | Septimal Kleisma
| style="text-align:center;" | Marvel Comma
| style="text-align:center;" | Marvel Comma
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| |<nowiki> | 10 -6 1 -1 </nowiki>&gt;
| |<nowiki> | 10 -6 1 -1 </nowiki>&gt;
| style="text-align:right;" | 5.7578
| style="text-align:right;" | 5.7578
| style="text-align:center;" |Saruyo
| style="text-align:center;" | Hemifamity
| style="text-align:center;" | Hemifamity
| style="text-align:center;" |  
| style="text-align:center;" |  
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| |<nowiki> | 25 -14 0 -1 </nowiki>&gt;
| |<nowiki> | 25 -14 0 -1 </nowiki>&gt;
| style="text-align:right;" | 3.8041
| style="text-align:right;" | 3.8041
| style="text-align:center;" |Sasaru
| style="text-align:center;" | Garischisma
| style="text-align:center;" | Garischisma
| style="text-align:center;" |  
| style="text-align:center;" |  
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| |<nowiki> | 2 -2 2 0 -1 </nowiki>&gt;
| |<nowiki> | 2 -2 2 0 -1 </nowiki>&gt;
| style="text-align:right;" | 17.399
| style="text-align:right;" | 17.399
| style="text-align:center;" |Luyoyo
| style="text-align:center;" | Ptolemisma
| style="text-align:center;" | Ptolemisma
| style="text-align:center;" |  
| style="text-align:center;" |  
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| |<nowiki> | -3 -1 -1 0 2 </nowiki>&gt;
| |<nowiki> | -3 -1 -1 0 2 </nowiki>&gt;
| style="text-align:right;" | 14.367
| style="text-align:right;" | 14.367
| style="text-align:center;" |Lologu
| style="text-align:center;" | Biyatisma
| style="text-align:center;" | Biyatisma
| style="text-align:center;" |  
| style="text-align:center;" |  
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| |<nowiki> | 7 -4 0 1 -1 </nowiki>&gt;
| |<nowiki> | 7 -4 0 1 -1 </nowiki>&gt;
| style="text-align:right;" | 9.6880
| style="text-align:right;" | 9.6880
| style="text-align:center;" |Saluzo
| style="text-align:center;" | Pentacircle
| style="text-align:center;" | Pentacircle
| style="text-align:center;" |  
| style="text-align:center;" |  
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| |<nowiki> | -3 2 -1 2 -1 </nowiki>&gt;
| |<nowiki> | -3 2 -1 2 -1 </nowiki>&gt;
| style="text-align:right;" | 3.9302
| style="text-align:right;" | 3.9302
| style="text-align:center;" |Luzozogu
| style="text-align:center;" | Werckisma
| style="text-align:center;" | Werckisma
| style="text-align:center;" |  
| style="text-align:center;" |  
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| |<nowiki> | 5 -1 3 0 -3 </nowiki>&gt;
| |<nowiki> | 5 -1 3 0 -3 </nowiki>&gt;
| style="text-align:right;" | 3.0323
| style="text-align:right;" | 3.0323
| style="text-align:center;" |Trithuyo
| style="text-align:center;" | Wizardharry
| style="text-align:center;" | Wizardharry
| style="text-align:center;" |  
| style="text-align:center;" |  
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| |<nowiki> | -3 4 -2 -2 2 </nowiki>&gt;
| |<nowiki> | -3 4 -2 -2 2 </nowiki>&gt;
| style="text-align:right;" | 0.17665
| style="text-align:right;" | 0.17665
| style="text-align:center;" |Bilorugu
| style="text-align:center;" | Kalisma
| style="text-align:center;" | Kalisma
| style="text-align:center;" | Gauss' Comma
| style="text-align:center;" | Gauss' Comma
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| |<nowiki> | -1 -2 -1 1 0 1 </nowiki>&gt;
| |<nowiki> | -1 -2 -1 1 0 1 </nowiki>&gt;
| style="text-align:right;" | 19.130
| style="text-align:right;" | 19.130
| style="text-align:center;" |Thozogu
| style="text-align:center;" | Superleap
| style="text-align:center;" | Superleap
| style="text-align:center;" |  
| style="text-align:center;" |  
|}
|}


=The Tetradecatonic System=
=Linear temperaments=
[[List_of_29et_rank_two_temperaments_by_badness|List of 29et rank two temperaments by badness]]


==The Tetradecatonic System==
A variant of porcupine supported in 29edo is [[Nautilus|nautilus]], which splits the porcupine generator in half (tempering out 50:49 in the process), thus resulting in a different mapping for 7 than standard porcupine. Nautilus also extends to the 13-limit much more easily than does standard porcupine.
A variant of porcupine supported in 29edo is [[Nautilus|nautilus]], which splits the porcupine generator in half (tempering out 50:49 in the process), thus resulting in a different mapping for 7 than standard porcupine. Nautilus also extends to the 13-limit much more easily than does standard porcupine.


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If one can tolerate the tuning error (which is roughly equal to that of 12edo, albeit in the opposite direction for the 5- and 7-limits), this tetradecatonic scale is worth exploring. 29edo is often neglected since it falls so close to the much more popular and well-studied 31edo, but 29 does have its own advantages, and this is one of them.
If one can tolerate the tuning error (which is roughly equal to that of 12edo, albeit in the opposite direction for the 5- and 7-limits), this tetradecatonic scale is worth exploring. 29edo is often neglected since it falls so close to the much more popular and well-studied 31edo, but 29 does have its own advantages, and this is one of them.


=Nicetone=
==Nicetone==


29edo is not a meantone system, but it could nonetheless be used as a basis for common-practice music if one considers the superfourth as a consonant, alternative type of fourth, and the 11:13:16 as an alternative type of consonant "doubly minor" triad. We can then use a diatonic scale such as 5435453 (which resembles Didymus' 5-limit JI diatonic scale, but with the syntonic comma being exaggerated in size). This scale has a very similar harmonic structure to a meantone diatonic scale, except that one of its minor triads is doubly-minor.
29edo is not a meantone system, but it could nonetheless be used as a basis for common-practice music if one considers the superfourth as a consonant, alternative type of fourth, and the 11:13:16 as an alternative type of consonant "doubly minor" triad. We can then use a diatonic scale such as 5435453 (which resembles Didymus' 5-limit JI diatonic scale, but with the syntonic comma being exaggerated in size). This scale has a very similar harmonic structure to a meantone diatonic scale, except that one of its minor triads is doubly-minor.
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[http://www.youtube.com/watch?v=uP2Z4Gy8lds Escala Tonal de 17 tonos - Charles Loli]
[http://www.youtube.com/watch?v=uP2Z4Gy8lds Escala Tonal de 17 tonos - Charles Loli]


=Instruments=
[http://www.microtonalismo.com/proyecto-xvii Guitar 29EDO from Peru - Charles Loli and Antonio Huamani]
[[File:Loli-huamani-29edo-guitar-f_735065b21747.jpg|216x600px|none|thumb]]
[http://www.microtonalismo.com/proyecto-xvii Bass 29EDO from Peru - Charles Loli and Antonio Huamani]
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External image: https://fbcdn-sphotos-c-a.akamaihd.net/hphotos-ak-prn1/r90/550502_538613626155939_2005925977_n.jpg<br>
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</div>
=Music=
=Music=
[http://www.microtonalismo.com/el-teclado-29-edo Mp3 29EDO - Escala tonal de 17 notas]by [http://musicool.us/musicool/armonia.htm Charles Loli A.]
[http://www.microtonalismo.com/el-teclado-29-edo Mp3 29EDO - Escala tonal de 17 notas]by [http://musicool.us/musicool/armonia.htm Charles Loli A.]
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[http://www.angelfire.com/mo/oljare/images/stranded.mid Stranded at Sea] by Mats Öljare
[http://www.angelfire.com/mo/oljare/images/stranded.mid Stranded at Sea] by Mats Öljare


==Instruments==
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[http://www.microtonalismo.com/proyecto-xvii Guitar 29EDO from Peru - Charles Loli and Antonio Huamani]
 
[[File:Loli-huamani-29edo-guitar-f_735065b21747.jpg|216x600px|none|thumb]]
 
[http://www.microtonalismo.com/proyecto-xvii Bass 29EDO from Peru - Charles Loli and Antonio Huamani]
 
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External image: https://fbcdn-sphotos-c-a.akamaihd.net/hphotos-ak-prn1/r90/550502_538613626155939_2005925977_n.jpg<br>
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