Grosz (1894-1939) was an Austrian composer, who fled from the Nazis to the UK in 1934, and composed a number of pop songs there that became evergreens (such as Harbor lights and Red sails in the sunset). His earlier classical music works do not get the attention they warrant. In particular Afrika songs, for soprano, baritone and jazz chamber ensemble, Op. 29, from 1929, is a fascinating work. Relevant links below.