SECUREen.wikipedia.org/wiki/Trad_jazz
Trad jazz, short for "traditional jazz", was a form of jazz in Britain in the 1950s and 1960s, played by musicians such as Chris Barber, Acker Bilk, Kenny Ball, Ken Colyer and Monty Sunshine, based on a revival of New Orleans Dixieland jazz, on trumpet, trombone, clarinet, banjo, double bass, and drums, with a populist repertoire which also included jazz versions of pop songs and nursery …