Answer:
Xylophone, marimba, vibraphone, tubular bell. The glockenspiel (German pronunciation: [ˈɡlɔkənˌʃpiːl] or [ˈɡlɔkŋ̍ˌʃpiːl], Glocken: bells and Spiel: Play) is a percussion instrument composed of a set of tuned keys arranged in the fashion of the keyboard of a piano.Other names: Concert bells, orchestral bells, c...Hornbostel–Sachs classification: 111.212; ...Classification: Keyboard percussion