He performed the chorus of " Homecoming", from Kanye West's album Graduation. Martin has also worked on a solo collaboration with Kanye West, with whom he shared an impromptu jam session during a 2006 concert at Abbey Road Studios. The song was performed on 27 September 2006 by the two during Jay-Z's European tour at Royal Albert Hall. Coldplay producer Rik Simpson conceived and performed the drum beats. Martin put some chords together for a song known as " Beach Chair" and sent them to Jay-Z who enlisted the help of hip-hop producer Dr. Martin's fascination with hip hop was shown in mid-2006 when he collaborated with rapper Jay-Z for the rapper's comeback album, Kingdom Come, after the two met earlier in the year. Martin in Atlanta, Georgia, on 24 September 2011 Nelly Furtado joked about it, saying, "Yeah, he's my boyfriend-he just doesn't know it yet". The two were once rumoured to be a couple, after they both performed at Glastonbury in 2002. In 2005, Martin collaborated with Nelly Furtado on the track " All Good Things (Come to an End)", for her 2006 album, Loose. He also sang a part of the vocals for the Band Aid 20 single, " Do They Know It's Christmas?" at the end of 2004. Martin has also collaborated with Ron Sexsmith, Faultline, the Streets, and Ian McCulloch. Martin has written songs for a variety of acts including Embrace (" Gravity") and Jamelia (" See It in a Boy's Eyes", co-written with Coldplay producer Rik Simpson). They also released several EP's at the beginning of their creation including Safety and The Blue Room.
To date, they have released nine studio albums in total including Parachutes, A Rush of Blood to the Head, X&Y, Viva la Vida or Death and All His Friends, Mylo Xyloto, Ghost Stories, A Head Full of Dreams, Everyday Life, and Music of the Spheres. Their song "Yellow", from Parachutes, entered the charts at Number 4 and carried Coldplay to their aforementioned fame.
Since the release of their debut album Parachutes in 2000, the band has achieved internationally recognised fame and success. In 1996, they formed the rock band Coldplay, originally known as Pectoralz, later changed to Starfish temporarily until finally they were offered the name Coldplay by another band who did not want the name anymore. They were joined by Guy Berryman as their bass player and Will Champion as their drummer. While studying at University College London, Martin met Jonny Buckland and the two decided to form a band, with Martin as lead singer and Buckland as lead guitarist. Martin performing with Coldplay in 2010 during the Viva la Vida Tour At UCL, Martin met his future Coldplay bandmates Jonny Buckland, Guy Berryman, and Will Champion. Martin continued his studies at University College London (UCL), staying at Ramsay Hall, where he read Ancient World Studies and graduated with first-class honours in Greek and Latin.
After Exeter Cathedral School, Martin boarded at Sherborne School in Dorset, where he met future Coldplay manager Phil Harvey. Martin was educated at the pre-preparatory Hylton School and the preparatory Exeter Cathedral School, where he found his passion for music. The Conservative politician David Martin is his paternal uncle. Julian George Winston Sandys, son of Conservative politician Duncan Sandys by his wife Diana Churchill, daughter of Prime Minister Winston Churchill. Martin's paternal aunt Elisabeth Jane (daughter of John Besley Martin) married Hon. William Willett, the man who campaigned for and made daylight saving time a recognised practice, was Martin's great-great-grandfather. It was sold by his father to a former employee in 1999.
His family's caravan and motorhome sales business, Martins of Exeter, was founded in 1929 by his grandfather John Besley Martin, CBE (a High Sheriff-also Mayor in 1968 of Exeter). His father, Anthony John Martin, of Whitestone House, Exeter, is a retired chartered accountant, and his mother, Alison Martin, who is from Zimbabwe, is a music teacher. Christopher Anthony John Martin was born on 2 March 1977 in Exeter, Devon, England, and is the oldest of five children.