Select all the indefinite pitch percussion instruments.Multiple select question.bongosmarimbatambourinecymbals

Select all the percussion instruments that are classified as indefinite pitch.Multiple select question.pianotriangleIdiophonetom-toms

Select all the percussion instruments that produce a definite pitch.Multiple select question.marimbatambourineglockenspieltimpani

Select all the percussion instruments in use before 1750 that produced a definite pitch.Multiple select question.cymbalsbellstimpanitabors

Select all the common modern plucked stringed instruments.Multiple select question.fluteharpguitarpsaltery

Select all the stringed instruments that are played primarily by or only by plucking the strings.Multiple select question.luteviolinharpguitar