He started using the surname "Le Brunn", thinking that it would help him be taken seriously as a musician, and played piano in theatre orchestras and music halls in London and elsewhere in the late 1870s and early 1880s.
Mr Porter" with his brother Thomas Le Brunn (1864–1936), included in the repertoires of Marie Lloyd and Norah Blaney.
[3] He also wrote, with Edgar Bateman, two songs made successful by Gus Elen, "If it Wasn’t for the 'Ouses in Between" (1894) and "It's a Great Big Shame" (1895).
"[4] In 1905, George Le Brunn died of meningitis in Brixton, London, aged 42, and was buried in Lambeth Cemetery.
His fellow composer Leslie Stuart wrote that Le Brunn was "...the most prolific popular melodist of his time.