by Elvo S. D'Amante. This three volume course trains musicians to identify, play and sing various scales, intervals, and chords.
NOTE: The CDs have been replaced by downloadable audio tracks.
Volume 1: Scale Forms through Six Basic Tetrachords. 80 page book and online audio. All common scales and modes, Six Basic Tetrachords, and over 114 minutes of audio lessons, studies, and drills.