A musical band is a group of musicians playing parts of a musical arrangement on different musical instruments. Bands can be composed of practically any combination of musicians. However, which instruments are found in a band is often determined by the style of music being played and, to an even greater degree, the specific piece being played.
... a smaller extent by the slipping friction.
The device is covered by US patents 3,726,146 (1973) and 5,353,655 (1994) by L.A. Mishler and US patent 5,800,311 (1998) ...