Musical instrument
A musical instrument is a (typically) man-made device for the creation and propagation of sound waves that are deemed to be pleasant in some way.
Musical instruments are many and varied. The ones used in classical music are divided into four broad categories - the woodwinds, strings, brass and percussion. Folk music has its own broad range of instruments, including such well known ones as the banjo. Modern popular music often includes amplified ("electric") instruments such as the electric guitar, bass and keyboards, and even the use of record playing turntables as instruments in themselves.
The earliest musical instruments were likely to have been natural objects that resonated in some way when struck or beaten.
The following is a list, which may never be complete, of musical instruments. It is divided into "acoustic" and "electric" sections.