The first time that Jesse played with Keane was in late 2007 at a gig that the band curated for War Child at Brixton Academy. He then went on to record with Keane on their third album, Perfect Symmetry, which was released on 13 October 2008. Jesse played bass guitar, electric guitar, backing vocals and additional percussion on the recordings and subsequently toured the album with the band. In January 2010, Quin recorded an album with his friend and bandmate Tim Rice-Oxley, and with some friends under the moniker, Mt. Desolation. The other performers on the record included members of Noah And The Whale, The Long Winters, Mumford & Sons, The Killers and Pete Roe. The album was released on 18 October 2010. It was produced by American producer, Emery Dobyns. It was announced on 3 February 2011 on the official Keane website that Quin had become an official member of the band.