Triangle (musical instrument)

Triangle

Percussion instrument
Classification	Hand percussion, idiophone
Hornbostel–Sachs classification	111.211 Individual percussion sticks

The triangle is a musical instrument in the percussion family, classified as an idiophone in the Hornbostel-Sachs classification system. Triangles are made from a variety of metals including aluminum, beryllium copper, brass, bronze, iron, and steel. The metal is bent into a triangular shape with one open end. The instrument is usually held by a loop of some form of thread or wire at the top curve. The triangle theoretically has indefinite pitch,^[1] and produces a plurality of overtones when struck with an appropriate beater.