Osis Duck Pattern/Combo Beatbox Tutorial by Hiro(first ever on YouTube!)
7:54
30 Year Old VS 17 Year Old | Beatbox Battle
13:34
OSIS' SPECIAL SOUND | Beatbox Tutorial
7:07
Osis Duck Combo/Duck Pattern Tutorial
10:48
D-Koy's Bird Whistle Tutorial
6:01
Osisのダックコンボについて解説 Beatbox講座 日本語
4:47
Bdb d bbd Bdb d Kick drum training!
15:03
Omeglede Türk Gırtlak Müziği 8 #omegle
4:14