Cock Sparrer is a punk rock band coming from East End London formed in 1972 by Colin McFaull, Mick Beaufoy, Steve “Burge” Burgess and Steve Bruce. They are considered one of the most influential street punk bands of all time and their lyrics often touch themes related to the working class people.
The actual line-up features:

Colin McFaull (vocals)
Mick Beaufoy (lead guitar)
Daryl Smith (rhytm guitar)
Steve Burgess (bass guitar)
Steve Bruce (drums)