After turmoil that included public squabbling, threats of a lineup change and a rehab stint, Aerosmith  is back and ready to rock.

Aerosmith  will be adding more European dates to its summer itinerary to follow up the  booking at this year's Download Festival in England.

Amidst continuing reports of  other singers being approached to front Aerosmith, Steven Tyler and his handlers are taking steps to reassert his position in the band.

Aerosmith has begun its search for a singer to replace Steven Tyler -- though whether it's permanent or temporary is uncertain.

STEVEN TYLER has quit AEROSMITH, according to the band's guitarist JOE PERRY.

Steven Tyler was airlifted to a hospital early Thursday after falling from the stage during a concert at the Sturgis Motorcycle Rally in western South Dakota, according to the Rapid City Journal ne