Por MusicRadar's . . .
31. Since their inception, Guns N' Roses have had 21 full-time band members… and counting. Could you pick them all out in a police line-up?
32. In his youth, Red Hot Chili Peppers frontman Anthony Kiedis's babysitters included Cher and Sonny Bono.
33. Acclaimed UK cook and author Delia Smith baked the cake on the cover of The Rolling Stones' 1969 masterpiece Let It Bleed.
34. Flowers In The Rain by The Move was the first record ever played on BBC Radio 1 in the UK.
35. Malcolm Young uses IK Multimedia AmpliTube software on AC/DC's Black Ice tracks Big Jack and Anything Goes.
36. The built-in MIDI ports on the Atari ST were only included because they were suggested by Atari boss Jack Tramiel's son when the computer was being designed.
37. Jay-Z hasn't written any of his lyrics down for more than a decade.
38. James Joseph Brown Jr, who died on Christmas Day 2006, was meant to be named after his father Joe but a mix-up on the birth certificate meant Joseph became his middle name. Once he reached adulthood, Brown legally removed the 'Jr' despite (or because of…) Junior/Little Junior being his nickname as a boy.
39. Hard rock production guru Brendan O'Brien (Soundgarden, AC/DC, Pearl Jam) plays Hammond organ on Bob Dylan's MTV Unplugged.
40. Timbaland has claimed to have the sounds from every drum machine ever made.