The Bollock Brothers are a British punk act formed in 1979 by the London promoter, DJ, and manager Jock McDonald. They are best known for their English language cover of Serge Gainsbourg's song "Harley David (Son of a Bitch)" (originally in French) and Alex Harvey's "Faith Healer". As well as being known for their original songs "Horror Movies", "The Bunker", "The Legend Of The Snake" and "The Slow Removal of The Left Ear of Vincent van Gogh" which featured Martin Glover of the band Killing Joke, they are known for their release of cover versions by artists Led Zeppelin, The Sensational Alex Harvey Band, Steppenwolf, David Bowie, and Vangelis among others. Studio 21 London Sessions contains 8 tracks recorded live at London's Studio 21 Nightclub.