Hey Dude, Where's My Lyrics? Macca's Memory Lane Hits a Few Potholes

As Sir Paul McCartney admits to forgetting his own tunes, we explore the mammoth task of remembering a lifetime's worth of melodies.

• The staggering number of songs in McCartney's repertoire revealed

• A look at Macca's touring history and future gig plans

• Notable lyrical slip-ups and how the legendary performer handles them