a small group of performers who play chiefly blues or folk music on makeshift or very simple instruments, as washboards, harmonicas, kazoos, and empty jugs, the latter being played by blowing across the openings.
Compare spasm band.
Origin of jug band
An Americanism dating back to 1930–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a small group playing folk or jazz music, using empty jugs that are played by blowing across their openings to produce bass notes
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
musical ensemble in which the bass line is carried or augmented by a player blowing on the open lip of a jug (n.), 1886, American English.
Online Etymology Dictionary, © 2010 Douglas Harper