With an eventful career echoing the trajectory of a roller coaster, pop vocalist Gary Barlow, the linchpin of Britain's biggest-ever boy band, Take That, struggled to compete with the success of the group's most tabloid-friendly member, Robbie Williams, before a phenomenal 2006 reunion restored his reputation as one of Britain's most accomplished songwriters. Later years brought solo success in the form of Since I Saw You Last, and then he threw himself headlong into composing for musical theatre.