The music service puts its money on Tunigo, a long-time partner that has had its own discovery app on Spotify.
Twitter dives into the streaming music scene with its own app, and Android users can try Chat Heads without Facebook Home. Also, Bridget Carey previews new gadgets, including a smart thermostat and a wireless charging case for the iPhone 5.
Magnifier is designed to help Music Beta users expand their online music libraries while discovering new artists and genres.
The music identification and discovery app is now available as a free app for Macs.
The site's MusicMap lets you enter an artist's name, then shows you their relationship to similar artists on a visual map. You can also enter the names of three favorites and get up to a dozen suggestions.
YouTube has long had music videos (both legally, and illegally), but now it has a single place where users can explore them.
As expected, the microblogging service's social music site goes live, but the features aren't there yet.
Donald Bell offers his review of the Last.fm app for the Apple iPhone and iPod Touch.
Senior Editor Donald Bell offers five tips for easily finding new and exciting music online.
Shazam's iPhone application recognizes music playing around you and offers you a direct link to iTunes to buy the song (if it's available).