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File:Simple and compound major third.png - Wikipedia
Consonance and dissonance - Wikipedia
4.5 Interval
Jazz Theory 003, PDF, Interval (Music)
In music, when multiple notes are played together, why does the
Guitar Intervals Cheatsheet, PDF, Minor Scale
Does playing two notes at the same time produce an intermediate
File:Bartok - Music for Strings, Percussion and Celesta interval expansion.png - Wikipedia
Interval Ear Training
Scale (Music), PDF, Scale (Music)
WHAT ARE MUSICAL INTERVALS ? – MAX NEIL, you only live once the