Galen actually laughs a little; he's not sure what he was expecting, but it wasn't this. It takes him a minute to think of an answer, anyway, half because of his nervousness thanks to Loki, and half because he really isn't sure how to answer.

"Shiiit, tough question," he says, smiling nervously, shifting his weight. "I mean, they've both made such a huge impact on music. But, um, in terms of personal preference? I think I'd have to go with the Stones. They have the better stage presence, too. And that's... kinda... a factor for me." His mouth pulls to the side a little, an 'oh well' movement, just in case he's answered incorrectly. Them's the breaks.