NEW YORK -
Steven Tyler says he's exiting "American Idol" to put rock `n' roll first.Tyler said he's leaving the hit show after two seasons to rededicate himself to
Aerosmith, the band he fronts.
The Rock star said he loved every minute on the hit Fox singing contest but added, "it's time to bring rock back.""After some long ... hard ... thoughts ... I've decided it's time for me to let go of my mistress `American Idol' before she boils ...