RaVen QuartetRaVen Quartet was a London-based string quartet that performed arrangements of both classical and rock music. The quartet performed with Madness during the 2012 London Olympics closing ceremony. The group separated in 2014.MembersStephanie BenedettiStephanie Benedetti was one of the group's violinists. Her sister is Scottish classical violinist Nicola Benedetti. Stephanie is currently a member of British pop group Clean Bandit.Natalie HoltThe group's viola player, Natalie Holt, is a British classical musician and film composer. She hit the headlines in 2013 after interrupting the final of the seventh series of Britain's Got Talent.Rachael LanderRachael Lander was the group's cellist.Kirsty ManganKirsty Mangan was one of the group's violinists.