Guns N' Roses' tour with Metallica was the hard rock live event of the early '90s, but it might have been followed up with an even bigger concert collaboration.
Stephen Hawking may have been more interested in classical music than popular music – but he still managed to notch up an impressive series of rock star credentials.
As we wait for 'Songs of Experience,' we can hear something new from U2 soon thanks to their appearance on a track on Kendrick Lamar's new record, 'DAMN.'