Wasn't it Led Zep who were approached by a hotel manager who said he'd always wanted to throw a telly out the window, so they gave him £100 and said 'Have one on us'?
And I see Keith Moon has many nominations. Roger Daltrey on Top Gear described how Moon and Viv Stanshall used to go up West in Moon's baby-pink Roller. Stanshall would dress up as a vicar, then Moon would let him out at one end of Oxford Street, wait for a while, then catch him up, scream to a halt and leap out hurling obscenities, then launch into a vicious attack on 'the vicar', punching and kicking him in front of the appalled bystanders, until both jumped back into the Roller and screeched off up the road...
Now that's rock 'n roll!