Timpani
Musical instrument
Timpani or kettledrums are musical instruments in the percussion family. A type of drum categorised as a hemispherical drum, they consist of a membrane called a head stretched over a large bowl traditionally made of copper. Wikipedia
Instrument family: Drum, Percussion, Orchestral percussion, and more
Developed: at least c. 6th century AD
Hornbostel–Sachs classification: 211.11-922; (Struck membranophone with membrane lapped on by a rim)
Other names: Kettledrums, Timps, Pauken