Finding and Naming Scales in Music

New channel Advanced Contemporary Analysis - Composition: title sample judged 'whole' (Every upload is a focused music-theory lecture (set theory, modes, chord substitution, reharmonization) with no entertai); passed a second screen for sellers/exam-prep/re-uploads; 0 of 3 sampled transcripts showed teaching, 0 not; titles picked one by one, checked strictly; oEmbed verified.