The Tambourine is a Percussion instrument which belong to the membranophones and to the Indefinite pitch subfamily. It consists of a flat wood hoop (called shell), a head stretched over it and the jingles. The sizes fluctuate between 23 to 35 cm.
The Tambourine is played by striking it with the hand, to make concrete sounds; or by shaken it with the hand to make tremolos. Rarely, it can be played with mallets. Its sound is metallic, bright, brilliant, festive and jingling.
The Triangle is an idiophone and Indefinite pitch Percussion instrument. It consists of bar metal bent into a triangle shape. It is held by a loop of some form of thread or wire at the top curve. The Triangle is usually made by steel or beryllium copper.
The Triangle is played by striking a metal stick on it. Its sound is metallic, resonant and bright.