Question: Longplayer is a self-extending composition by which English musician born on July 25, 1955?
Context: Kattassery Augustine Joseph (March 25, 1910 - February 3, 1965) was an Indian classical musician born in Kerala, India.  He was the father of the popular Indian playback singer K. J. Yesudas and grandfather of another singer Vijay Yesudas.  He was born in a Christian family in Kochi.  He started training in music and acting at a very young age.  He had sung many songs and acted in many plays.  He believed in Oneness among religion and there is only One Supreme God though called by different names.  He has brought up Yesudas in similar school of thought.  He died of a suspected heart attack aged 53 in 1964.  K.J. Yesudas, his son later said in an interview that he had faced lot of money problems during this period and when his father died, the hospital authorities told him to give Rs. 1000/-.  It was the famous lyricist P. Bhaskaran who helped him during this period.  He was buried according to his wish at Kochi. Thomas G. ("Tom") Spahn (born July 30, 1955) is a three-time Emmy Award winning composer, Synthesizer Programmer for the 1996 Grammy Award nominated album by Earth Kitt, "Back in Business", another Emmy Nomination in 2001 for Mastering Dizzy South America Tour, is an American musician born in Park Forest, Illinois and currently residing in New York City.  Spahn is a longtime musical director and arranger and has worked with numerous musicians and composers on a myriad projects, performances and recordings. Neil Halstead (born 7 October 1970) is an English musician born in Reading, Berkshire, England.  He has been hailed by AllMusic as “one of Britain's most respected songwriters", and "Time Out" as "one of Britain's greatest songwriters". Jeff Dahl is an American musician born in Stuttgart, Germany in 1955.  In 1960 the Dahl family relocated to Hawaii. Matthieu Hartley (born 4 February 1960) is an English musician born in Smallfield, England.  He was the original keyboardist for the Cure, but before that he and Simon Gallup were involved in two other bands called Lockjaw and the Magspies (a.k.a. the Magazine Spies). Geoff Hannan is a British composer and musician born in London in 1972 to Irish parents.  He studied composition privately with Michael Finnissy from 1987 to 1990 before reading Music at the University of Manchester.  in 2006 he was awarded a PhD from Royal Holloway, University of London, where, with financial assistance from the Arts and Humanities Research Council, he studied composition with film composer Brian Lock. Ares Tavolazzi (born July 1948) is an Italian bass player and jazz musician born in Ferrara. 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. Ren Shields was an American folk musician born in 1868 in Chicago, Illinois.  He died on 25 October 1913 in Massapequa, New York.  He co-wrote the song with George "Honey Boy" Evans "In the Good Old Summer Time" amongst other songs such as "Dreamy Eyes", and "Come, take a Trip in My Air-ship". 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.
Answer: Jem Finer