The steel drum is a percussion instrument, somewhere between a xylophone, a glockenspiel and the wood blocks.The sound is light and unique, it has a high resonance, and is typicaaly associated with a tropical setting.t is called a Hang, but pronounced quite differently than you'd think. Refer to: http://en.wikipedia.org/wiki/The_Hang A Hang (pronounced [haŋ], with vowel sound betwee … n those of the words hot and hungry) is a musical instrument in the idiophone class created by PANArt in Switzerland.