Black Botton from 'Maschinst Hopkins' by Max Brand   is played by John Harle and the Berliner Band (with violin solos played by Perry Montague-Mason) with London Voices (Director: Terry Edwards) conducted by Simon Joly. Other music includes works by Hanns Eisler, Kurt Weill, John Harle, Dominic Muldowney and Wilhelm Grosz.

All albums in The John Harle Collection are sold in aid of the Help Musicians Coronavirus Hardship Fund.