Aerosmith

Drummer takes stage in Las Vegas after fallout led to lawsuit.

Steven Tyler leads fans through chant of city slogan.

The set included renditions of "Livin' on the Edge" and "Walk This Way."

Cheap Trick, Foo Fighters also covered band's songs at pre-Grammy gala.

Drummer addressed the crowd, but did not play during the band's set.

Drummer tells security staff members they’re just doing their job.

The drummer had hoped a legal injunction would get him back in the band in time for the Grammy Awards.

Band says drummer "has not been emotionally and physically able to perform ... for the last six months."

Report says a lawsuit claims drummer had to audition to regain place in band after injury.

Ghost, Slayer, Slipknot and others will also be immortalized in vinyl.