Schwebetonerfassung
5:38
Klangprobe Akkordeon Ballone Burini Mod.34a
7:46
Accordion tuning table
58:21
Foot Health 101 Class 2
4:49
waxing Hohner diatonic accordion reeds
4:05
Accordion tuning: lowering just intonation from 442hz to 440hz
9:39
Mesa de Afinação KM555 - Sete funções - Modelo Profissional
4:25
Akkordeon Borsini - Stimmung Klangprobe nach der Stimmung
7:31