Trumpet: Difference between revisions

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 === Commercial quartertone trumpets ===
-While uncommon, there are quartertone trumpets available for purchase or commission. Notable trumpets include the Adams A4, a jazz trumpet which can be ordered to include a quartertone valve. Other Adams trumpets sometimes include a quartertone option.
+While uncommon, there are quartertone trumpets available for purchase or commission.
+The Adams A4 is a jazz trumpet which can be ordered to include a quartertone valve. Other Adams trumpets sometimes include a quartertone option.
 CarolBrass also sells commercial quartertone trumpets.
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 === Other ===
 [https://www.youtube.com/watch?v=G4IRPPFnbEk Vasilis Nalbantis] created a xenharmonic trumpet, the "Nalbantis," designed to play maqams. Unlike other trumpets listed, the additional button is pressure-sensitive, allowing for more pitches, but less pitch accuracy, when playing the trumpet. The button changes the length of the tuning slide.
+== Other methods of xenharmonic playing ==
+A custom trumpet is the best and easiest way to play xenharmonic music; however, it certainly isn't always a practical option.
+=== Quartertones ===
+Quartertones for most notes can be approximated well with alternative fingerings and the third valve slide.
+Refer to the fingering chart (starting at middle G and ascending):
+{| class="wikitable"
+|+Fingerings for quartertones on a standard trumpet
+!Note
+!Fingering
+|-
+|G
+|0
+|-
+|Gt
+|23 (S)
+|-
+|G#
+|23
+|-
+|G#t
+|3 (S)
+|-
+|A
+|12
+|-
+|At
+|123 (S)
+|-
+|A#
+|1
+|-
+|A#t
+|13 (S)
+|-
+|B
+|2
+|-
+|Bt
+|23 (S)
+|-
+|C
+|0
+|-
+|Ct
+|3 (S)
+|-
+|C#
+|12
+|-
+|C#t
+|13 (S)
+|-
+|D
+|1
+|-
+|Dt
+|23 (S)
+|-
+|D#
+|2
+|-
+|D#t
+|3 (S)
+|-
+|E
+|0
+|-
+|Et
+|13 (S)
+|-
+|F
+|1
+|-
+|Ft
+|123 (S) or 23 (S)
+|-
+|F#
+|2
+|-
+|F#t
+|13 (S) or 3 (S)
+|-
+|G
+|0
+|}
+The (S) signifies that use of the third valve slide is necessary.
+=== Other xenharmonic music ===
+==== Retuning valves ====
+[[File:Adams A4 QT with adjusted third slide.jpg|alt=Adams A4 Quartertone with an adjusted third valve tubing for 19edo.|thumb|158x158px|Adams A4 Quartertone with an adjusted third valve tubing for 19edo.]]
+On most trumpets, you can play EDOs lower than 12 by retuning each valve slide. Because each valve's tubing is adjustable, you can lengthen the tubing so each valve lowers the pitch by however many cents are in the number of semitones the valve targets. For an example, [[10edo]]'s semitone is 120 cents; adjust the second valve (one semitone) from 100 cents to 120, the first valve (two semitones) from 200 cents to 240, and the third valve (three semitones) from 300 cents to 360.
+This method can be done similarly on quartertone trumpets; however, usually, the quartertone valve tubing (50 cents) cannot be adjusted.
+Keep in mind that this retuning is often much less accurate the lower your pitch is, because trumpets are built on the [[harmonic series]] and tuning systems with a poor 3/2 will now have a perfect 3/2, and notes below middle G will be based on that perfect 3/2. You can fix this in real-time by "lipping" the notes.
+==== Lipping ====
+A common way to bend pitches on trumpet is to "lip" the note - effectively moving your embouchure to crudely target a pitch other than the speed of air and tubing length would otherwise allow. This method can be used to play xenharmonic music and is often used in conjunction with other methods of playing xenharmonic music.
 == External links ==