robertobarlocci/musical-interval-calculator

Musical Interval Calculator

A simple script to calculate the musical intervals when connecting two triads.

Chord tensions

Major Triad:

Available Tensions: 9 (2) #11 (#4) 13 (6) Avoid Notes: b9 (b2) 11 (4) b13 (b6) Minor Triad:

Available Tensions: 9 (2) 11 (4) 13 (6) Avoid Notes: b9 (b2) #11 (#4) b13 (b6) Augmented Triad:

Available Tensions: b9 (b2) 9 (2) #9 (#2) 11 (4) #11 (#4) Avoid Notes: 13 (6) b13 (b6) Diminished Triad:

Available Tensions: Any note a half-step above a triad tone (e.g., Cdim7 can use D, F, Ab) Avoid Notes: None (within the half-step rule)

To Do:

Four-note chords Correct enharmonic equivalents Correct intervals (#4 instead of b5)