music streaming service

There's never a shortage of silliness when it comes to Wall Street. Some of last week's biggest surprises and head-shaking blunders included a farcical mistake on the AP's list of same-store sales for September, Apple's failure to deliver the iPhone 5, Comcast's plan to charge $60 for a movie, and Best Buy's music streaming surrender.

There was a time when you cared about music: You made mix tapes, went to concerts, called radio stations; you bought vinyl, CDs, cassettes, 8-track tapes -- some of you even bought MP3s! And though the traditional music business is as good as dead, the music lover in all of us lives. That's where streaming comes in. Here's what you need to know, as a listener and an investor.