Aerosmith

Attendance at Aerosmith's 50th anniversary show broke a Fenway Park attendance record.

The band celebrated their 50th anniversary.

Concert marked the band's first live show in over two years.

What could have been.

Bluesy single evoked band's raucous mid-'70s heyday while previewing new chapter as MTV golden boys.

Rockers will release one "official bootleg" show a week over five weeks.

"We literally broke down walls with that," says guitarist.

Aerosmith guitarist will reunite the Joe Perry Project for a trio of U.S. shows featuring Extreme's Gary Cherone on vocals.

A huge piece of rock history.

He cited modern examples and even went back to the '60s to prove his point.