Instrument with O
A classic keyboard musical instrument. Fits O!
Wind instrument; real and well-known. Good O!
Real string instrument from the Middle East.
Medieval string instrument; totally valid!
Measuring instrument for distance; yes!
An instrument; 'old' is fine for O here.
Oil drum can be used as a percussion instrument
Scientific instrument for signals; yes!
Oval drum is a valid drum-shaped percussion instrument
Double‑reed woodwind; staple of orchestras
Woodwind from Italian “oboe”; bright tone
Ordene på listen Instrument with O stammer fra spillere af ordspillet By-Land-Flod.