Aerosmith with lead singer Steven Tyler and guitarist and Joe Perry play a free concert on Commonwealth Avenue in Boston. (Photo courtesy: TIMOTHY A. CLARY/AFP/Getty Images)
Aerosmith
Aerosmith with lead singer Steven Tyler play a free concert on Commonwealth Avenue in Boston on November 5. (Photo courtesy: TIMOTHY A. CLARY/AFP/Getty Images)
Aerosmith
Aerosmith arrives by Duck Boat to play a free concert on Commonwealth Avenue in Boston. (Photo courtesy: TIMOTHY A. CLARY/AFP/Getty Images)
Aerosmith
Aerosmith arrives by Duck Boat to play a free concert on Commonwealth Avenue. (Photo courtesy: TIMOTHY A. CLARY/AFP/Getty Images)
Aerosmith
Aerosmith with lead singer Steven Tyler and guitarist and Joe Perry play a free concert on Commonwealth Avenue in Boston. (Photo courtesy: TIMOTHY A. CLARY/AFP/Getty Images)
Aerosmith
Aerosmith arrives by Duck Boat to play a free concert on Commonwealth Avenue in Boston.( Photo courtesy: TIMOTHY A. CLARY/AFP/Getty Images)
Aerosmith
Aerosmith played a free concert on Commonwealth Avenue in Boston on November 5.The show was to promote their new album "Music From Another Dimension!" and also encouraging people to go out and vote on November 6. Photo courtesy: TIMOTHY A. CLARY/AFP/Getty Images)
Aerosmith
The view from the crowd. (Photo courtesy: WBZ-TV's Andrea Courtois)
Aerosmith
Crowds outside Comm. Ave. (CBS)
Aerosmith
Thousands gather. (CBS)
Aerosmith
The duck boats arriving. (CBS)
Aerosmith
Steven Tyler on his way to the concert. (Photo courtesy: TD Garden/Twitter)
Aerosmith
The stage was in the back of a truck. (Photo courtesy: WBZ-TV's Andrea Courtois)
Aerosmith
The view from inside the apartment building. (Photo courtesy: Steven Tyler/Twitter)
Aerosmith
Aerosmith plays a free concert on Comm. Ave. (CBS)
Aerosmith
Aerosmith plays a free concert on Comm. Ave. (CBS)
Aerosmith
The boats pull up with Aerosmith onboard. (Photo courtesy: Mix's Gregg Daniels)
Aerosmith
Tom Brady, Jerod Mayo, Robert & Jonathan Kraft. (Photo courtesy: WBZ Newsradio's Bernice Corpuz)
Aerosmith
Boston Transit Police in front of the stage. (Photo courtesy: Boston Transit Police/Twitter)
Aerosmith
Tom Brady, Jerod Mayo, Robert & Jonathan Kraft (Photo courtesy: New England Patriots/Twitter)
Aerosmith
The view from behind the stage. (Photo coutesy: Mayor Tom Menino/Twitter)
