- Barry Kernfeld
In jazz, a brief solo passage occurring during an interruption in the accompaniment, usually lasting one or two bars and maintaining the underlying rhythm and harmony of the piece. Breaks appear most frequently at the ends of phrases, particularly the last phrase in a structural unit (e.g. a 12-bar blues or a 32-bar song), or at the end of a 16-bar unit of a multi-thematic piece (e.g. a march or rag)....