Sir Paul McCartney performs at Apple Park celebration

Sir Paul McCartney performs at Apple Park celebration

Concert inside the ring marks Apple's 50th anniversary with the former Beatle

While not looking back, Apple capped weeks of celebrations to mark their 50th anniversary with one final blow-out concert. In a performance that Jobs would have approved, Sir Paul McCartney took to the rainbow stage inside Apple Park for an evening concert featuring songs from McCartney's various catalogues—his solo career, Wings and the Beatles.