A jug band, for those who haven't had the pleasure, is a band composed of unusual instruments which plays old timey jazz, country blues and folk music. The instruments in the Kweskin band, which are typical, include guitar, mandolin, banjo, fiddle, jug, washtub bass, washboard, kazoo, and penny whistle.
1968, "Jug Band: Washboard Virtuosos," Evening Independent (Florida, USA), 14 March, p. 5D (retrieved 23 Aug. 2010)