Fans line up along Commonwealth Avenue, Monday, Nov. 5, 2012 in Boston's Allston neighborhood to watch a free concert by Aerosmith whose band members lived there in the early 1970's. (AP Photo/Elise ... more 

Fans line up along Commonwealth Avenue, Monday, Nov. 5, 2012 in Boston's Allston neighborhood to watch a free concert by Aerosmith whose band members lived there in the early 1970's. (AP Photo/Elise Amendola) less