Question: Longplayer is a self-extending composition by which English musician born on July 25, 1955?

Related documents: [0]  [DOC] Jeremy Max "Jem" Finer (born 25 July 1955) is an English musician, artist and composer. He was one of the founding members of The Pogues. [END] 
[1]  [DOC] Longplayer is a self-extending composition by Jem Finer which is designed to continue for one thousand years. It started to play on 1 January 2000, and if all goes as planned, it will continue without repetition until 31 December 2999. It will restart on that date. [END]  
Answer: Jem Finer
Jem Finer