Kazoo
I can't really understand the Q but i think a kazoo
mandolin
There is a musical instrument called a triangle, it is both shaped, and named, the same as the three-sided figure itself.
A Lur
A triangle as in a musical instrument
A stringed musical instrument with a fingerboard that is shaped like a flat box.
A berde is a stringed musical instrument of Bosnian origin, a large guitar-shaped instrument which is played upright using a plectrum.
A Triangle! (musical instrument)The (Swanson) speed square and the navigational triangle are two other triangular instruments.
it is a musical instrument!
The mandolin is a musical instrument. The mellophone is a musical instrument.
The musical instruments in Southern Philippines are the Kulintang, a gong chime instrument, and the dabakan. this is an hour glass shaped drum covered in goat or lizard skin.
The whistle is a musical instrument. The washboard is a musical instrument.