Kotska's Workbook Chapter 18 No. 4 in Mapping Tonal Harmony Pro, seen diatonically and functionally.#tonalharmony #chordprogression #musiced #MusicEducation https://t.co/6NtgaepthJ … … … pic.twitter.com/kqu5x9Oqo7 — mDecks Music (@mDecksMusic) May 7, 2018 https://platform.twitter.com/widgets.js Read article →