Polyphones Spielbuch Book 2 Horst-Peter Hesse Introduction to melodic bass playing with 27 excercises and concert pieces of a moderate standard for accordions with 48 basses and above. £8.50
Polyphones Spielbuch Book 5 Horst-Peter Hesse An introduction to meldodic bass playing with 10 folksongs and 10 other dances in two and three parts, can be played on instruments with at least 72 bass. £8.50
