well, he does participate in Rock Band sessions on the Xbox with the other 3, so it's conceivable that he's a rock fan, ...
Yeah, there was one episode which ended with him and Leonard's mum singing some rock song together. I got the impression his enjoyment of Rock Band was an unexpected pleasure he wanted to share - not like his long standing enthusiasm for comic books etc.
Mister Sheldon Cooper listen to music? In what universe will Sheldon listen to music? Probably the 7th universe so yeah in the 7th universe probably listen to metal XD
He sang/played the piano so listening to music should not be out of the question. I could see him listening to music to test the Doppler effect.
Time...line? Time isn't made out of lines. It is made out of circles. That is why clocks are round. ~ Caboose
Mister Sheldon Cooper listen to music? In what universe will Sheldon listen to music? Probably the 7th universe so yeah in the 7th universe probably listen to metal XD