Question: Which singer formed a band first, Chris Martin or Jimmy Gestapo?

full_context: Document 1: Jimmy Destri: Jimmy Destri (born James Mollica, April 13, 1954, Brooklyn, New York City, United States) is an American musician. He played keyboards in the rock band Blondie, and was one of the principal songwriters for the band along with Chris Stein and Deborah Harry. Destri ceased touring with the band in 2004, but remained an official member for several more years.
Document 2: Jimmy Crespo: James Crespo, Jr. (born July 5, 1954 in Brooklyn, New York) is an American guitarist. He was the lead guitarist for Aerosmith from 1979 until 1984. He co-wrote "Rock in a Hard Place" with Steven Tyler, and has performed or recorded with Rod Stewart, Billy Squier, Meat Loaf, Stevie Nicks, Robert Fleischman, Rough Cutt, Renegade, Flame and others.
Document 3: Jimmy Gestapo: James Drescher (born December 10, 1960), better known as Jimmy G or Jimmy Gestapo and also known as Jimmy Spliff, is the lead singer for New York based hardcore punk band Murphy's Law.
Document 4: Murphy's Law (band): Murphy's Law is an American hardcore punk band from New York City, New York, United States, formed in 1982. While vocalist Jimmy Gestapo remains the only founding member of the band, in the past the line-up has consisted of former members of bands such as Skinnerbox, Danzig, The Bouncing Souls, Mucky Pup, Dog Eat Dog, Hanoi Rocks, Agnostic Front, and D Generation.
Document 5: Chris Cester: Christopher James Cester (born 16 September 1981) is an Australian musician. He was the founding mainstay drummer and backing vocalist of rock band, Jet. His older brother is Nic Cester (born 6 July 1979), the band's mainstay lead singer and front man. As a member of Jet, Cester has won awards as a songwriter from the Australasian Performing Right Association (APRA) including in 2005 as Songwriter of the Year, and 2011 for "Seventeen", which won Most Played Australian Work and Rock Work of the Year. In March 2012 Jet announced their disbandment.
Document 6: White Jimmy: White Jimmy (born James Reginald White, January 11, 1959 in New York City, New York) is the vocalist of the American punk rock bands The Deadweights and The Gitmo Condemned, owner of the Ruined Recordings label, and a solo punk rock and alternative rock artist.
Document 7: Chris Martin: Christopher Anthony John Martin (born 2 March 1977) is an English singer, songwriter, musician, record producer and philanthropist. He is best known as the lead singer and co-founder of the British rock band Coldplay. Born in Whitestone, near Exeter in Devon, Martin went to University College London where he formed a rock band with Jonny Buckland in 1996 called Pectoralz, which was eventually renamed Coldplay in 1998.
Document 8: Richard Ashcroft: Richard Paul Ashcroft (born 11 September 1971) is an English singer and songwriter. He was the lead singer and occasional rhythm guitarist of the alternative rock band The Verve from their formation in 1990 until their original split in 1999. He became a successful solo artist in his own right, releasing three UK top three solo albums. The Verve reformed in 2007 but again broke up by summer 2009. Ashcroft then founded a new band, RPA & The United Nations of Sound, and released a new album on 19 July 2010. On 22 February 2016 Ashcroft announced his fourth solo album, "These People", set for release 20 May 2016. Chris Martin of Coldplay has described Ashcroft as "the best singer in the world".
Document 9: Ed Sheeran: Edward Christopher Sheeran, {'1': ", '2': ", '3': ", '4': "} (born 17 February 1991) is an English singer-songwriter, guitarist, and record producer. He was born in Halifax, West Yorkshire, and raised in Framlingham, Suffolk. He attended the Academy of Contemporary Music in Guildford, Surrey, as an undergraduate from the age of 18 in 2009. In early 2011, Sheeran independently released the extended play, "No. 5 Collaborations Project". After signing with Asylum Records, his debut album, "+" (read as "plus"), was released on 9 September 2011 and has since been certified seven-times platinum in the UK. The album contains the single "The A Team", which earned him the Ivor Novello Award for Best Song Musically and Lyrically. In 2012, Sheeran won the Brit Awards for Best British Male Solo Artist and British Breakthrough Act.
Document 10: Chris Amoo: Chris Amoo is a singer-songwriter and the lead singer of English soul group, The Real Thing. He is also a dog breeder, and judge at the dog shows including Crufts. He also had great success with his Afghan Hound, Viscount Grant.
Document 11: Jimmie Ross: Jimmie Ross is an American rock guitarist and vocalist who is best known for being a member of Pittsburgh band the Jaggerz, known for their 1970 hit "The Rapper". During the band's initial existence of 1965-1976, the bassist shared the duties of lead vocalist with guitarist Donnie Iris. By the time the Jaggerz regrouped in 1989, Iris was well into his solo career, and Ross became the sole lead vocalist and remained bassist. He continues to hold both positions today.
Document 12: Coldplay: Coldplay are a British rock band formed in 1996 by lead vocalist and keyboardist Chris Martin and lead guitarist Jonny Buckland at University College London (UCL). After they formed under the name Pectoralz, Guy Berryman joined the group as bassist and they changed their name to Starfish. Will Champion joined as drummer and backing vocalist, completing the lineup. Creative director Phil Harvey is often referred to as the fifth member by the band. The band renamed themselves "Coldplay" in 1998, before recording and releasing three EPs: "Safety" in 1998 and "Brothers & Sisters" and "The Blue Room" in 1999. "The Blue Room" was their first release on a major label, after signing to Parlophone.
Document 13: Chris Lowe: Christopher Sean Lowe (born 4 October 1959) is an English musician, singer, songwriter and co-founder of the synthpop duo Pet Shop Boys which he formed with Neil Tennant in 1981.
Document 14: John Martin (singer): John Martin Lindström (born 22 August 1980) is a Swedish singer and songwriter. He is best known for his collaborations with the Swedish House Mafia. Since 2010, he has collaborated with Tinie Tempah and released his debut single "Anywhere For You", written alongside music partner Michel Zitron. John's vocal tracks include: "Anywhere For You", "Reload", "Save The World", "Don't You Worry Child", and an in progress track, "Love Louder" with David Guetta. On 3 April 2014 Lindstron appeared on the BBC Radio 1 Live Lounge covering Haim's "If I Could Change Your Mind". John Martin is now working on his debut album which was planned to be released in August 2014, however it has been delayed awaiting a new collaboration before the release.
Document 15: Jimmy Urine: James Euringer (born September 7, 1969), known professionally as Jimmy Urine, is an American singer, songwriter, and musician. He is best known as the lead singer and programmer of electropunk band Mindless Self Indulgence.
ground_truth: Jimmy Gestapo