It's perhaps the relative modernity of rock 'n' roll that makes the genre a minefield of myths and legends accepted as truth. History hasn't had time to dissect the bunk. Until now.Discover the real stories behind rock's biggest crocks, how they came to be but why they have persisted. Did Cass Elliott really asphyxiate herself with a ham sandwich? Did the Beatles spark a spliff in Buckingham? Did Willie Nelson do the same in the White House? Did Keith Richards get a complete "oil c...