Twitter first made a splash with music insiders at the 2007 South by Southwest Festival. Two years later, the social-networking tool is being used by musicians, fans and critics in ways that make blogs look outdated. But can anything musical really be summed up in 140 characters or less? In another Soundcheck Smackdown, New Yorker pop music critic Sasha Frere-Jones and TV producer Luke Wahl debate the pros and cons of Twitter and "microblogging" in the music world.
Soundcheck blog: John Schaefer on the new "crackberry"
Tell us: Trick or "tweet?" Will Twitter have a positive or negative impact in music?
Twitter user? Chime in, and tag your tweets with #WNYC. The show's producers will follow tweets from you and from classical music critic and composer Greg Sandow (@gsandow).