File:Range octobass 16Hz.png
Tino 032 uploaded "File:Range octobass 16Hz.png" {{Information |Description ={{en|1=Tuning and range of octobass. Range covered with the key system, with the bass string on 16,35 Hz.}} |Source =Own work. |Author =User:Tino 032 |Date =2013-03-29 |Perm...
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