Think of NCAS as boater-wearing trad jazz revivalists ranting about the excesses of decadent be-bop.

The Ealing Club was a trad jazz club that Blues Incorporated took over on Saturday nights.

I was 15 and the trad jazz clubs along Oxford Street were heaven for a small-town boy from Sweden.

I hated trad jazz.

With the arrival of the Beatles, the trad jazz scene went quiet and Mulligan felt the call to open an off-licence.

Before the big freeze of 62-63, British film and music had been all about working-class heroes, skiffle and trad jazz.