They actually played Aqualung right before they went to commercial at one point. The crowd was pretty raucous and there were at least two or three thousand people outside the stadium during the game.
Compared to other sports, baseball has nearly always had a glacial pace when it came to change. History is more important to this sport than all the others. I don't want it ruined by a sea change that the owners think would make them more bucks in the short term.