"BOTH MY PARENTS are professors," explains Brooklyn-based rapper Talib Kweli. "My mother is professor of English and my father of sociology. My father is currently at Adelphi in Long Island and my mom ...

Thanks to the absurdly low cost of music and video editing software and an inexhaustible number of people who clearly have too much time on their hands, the Internet has been inundated with mash-ups.

After rambling into town as a busking son of Woody Guthrie, rolling into the tumbling Tumbleweeds, and setting up the New Orleans tent in the acclaimed traveling country circus The Deslondes, ...