Front Row

Now that performing rock and pop music can be a job for life, how do musicians sustain a long career? A lucrative reunion tour or constant re-invention? John talks to leading musicians, including Paul McCartney, Ringo Starr, Damon Albarn, Paul Weller, Sting, Stewart Copeland and Andy Summers from The Police, and Chris Martin and Will Champion from Coldplay about working in the shadow of past success, and the pressure of expectations.