Chordophones
it can be classical, acoustic or electric
Guitar
A three-valve instrument belonging to the brass family
Trumpet
What vibrates and produces sound when playing this category of instruments
The membrane
the instrument famous for "Over the Rainbow", typical of Hawaii
Ukulele
A long African instrument with an onomatopoeic name
Didgeridoo
Orchestral instrument that has the same name as a body part
Tympanum
which instrument does not belong to this category but still has strings that are struck
Piano