Reporter: Lara Logan, CBS 60 Minutes
Producer: John Hamlin
Bands don't get much bigger or louder than Aerosmith.
For 40 years, Stephen Tyler and his crew have been rocking stadiums full of adoring fans.
But backstage things haven't been quite so harmonious.
There's been bitter feuds, battles with drug addiction and major health scares.
Yet through it all, they've kept performing.
Their live concerts are legendary.
But as Lara Logan from US 60 Minutes discovered, the real entertainment happens behind the scenes.