Sedlon, J H: Sedlon Accordion Method Book 1A
sheet music
Book 1A, which can be used for any size of instrument, from 12 to 120 bass, takes the student rapidly though the fundamentals in a manner to establish self-confidence from the first lesson and presents a correct programme for mastering finger technique, and includes and easy course in keyboard harmony to enable students to adapt and harmonise melodies from piano and violin music.