The Mob

Before recording Let the Tribe Increase, the bassist was Sid Sealey, whilst Curtis played guitar with Marc doing lead vocals, but Sid left the band in early 1979 - leaving Curtis to play bass and giving Marc the job of both guitar and lead vocals.
In 1981 Marc and Curtis relocated to Islington, London where they lived in a house run by the Black Sheep housing co-op. Josef Porta (also of British anarcho-punk bands Zounds and Null & Void) took over on drums.
Some of their allies in the anarcho-punk scene ran the Community-Squats "Peace Centre" (today the residence of Amnesty International GB, where The Mob once played a benefit-show in the basement) and the "Ambulance Station" in South London.
Josef Porta quit the band by saying that he was sick of singing about children being slaughtered. He subsequently formed the group Blyth Power.
The band broke up in December 1983.