Stevie Nicks' greatest regret as a performer is quite understandable. If anything, it's a sign of how far she has come.

Taking the stage at the Grand Ole Opry, country singer Ashley McBryde "baptized" the venue with "Rattlesnake Preacher." ...

If at first you don't succeed, try, try again, just like these four musical icons who were rejected by Nashville in their early years.