4:5:6: Difference between revisions
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There are many just major triads, and "classical" is often (albeit inconsistently) used for 5-limit alterations (e.g. 25/24 as the classical chroma). As such, "classical major triad" is a better name than "just major triad". |
Kept "just" around, because it is often used. |
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{{Infobox Chord|ColorName=yo or y}} | {{Infobox Chord|ColorName=yo or y}} | ||
'''4:5:6''' is the classical [[major triad]], also known as the '''Ptolemaic major triad'''. It is the most consonant of all the just intonation [[Triad|triads]]. | '''4:5:6''' is the classical [[major triad]], also known as the '''Ptolemaic major triad''', or, imprecisely, as the '''just major triad'''. It is the most consonant of all the just intonation [[Triad|triads]]. | ||
Common tetrads based on this triad (5-limit except where noted): | Common tetrads based on this triad (5-limit except where noted): | ||
Revision as of 21:54, 30 October 2025
| Chord information |
4:5:6 is the classical major triad, also known as the Ptolemaic major triad, or, imprecisely, as the just major triad. It is the most consonant of all the just intonation triads.
Common tetrads based on this triad (5-limit except where noted):
- 12:15:18:20 adds 5/3
- 8:10:12:15 adds 15/8
- 36:45:54:64 adds 16/9
- 20:25:30:36 adds 9/5
- 4:5:6:7 adds 7/4 (7-limit)