Meuzer finds free music online
The jukebox in the sky is a reality. When I started this blog two years ago, it was all but impossible to open a Web browser, type a song name, and have that song start playing immediately. Now, it's commonplace.
Meuzer found Roy Harper's "The Game," while Grooveshark didn't.
I still like the simple approach of Grooveshark--the other night, my brother and I set up a running DJ battle on it to reminisce and introduce each other to new tunes--but Meuzer is an interesting alternative. Search on a song or artist name, and Meuzer pulls results from YouTube--very similar to the Muziic app I looked at earlier this year--as well as Imeem and other third-party sources. Click any of the results, and you get a four-arrow widget that lets you play, share, rate, or add the song to a playlist. Hit "play," and the song begins playing in an embedded window depending on the original source (a YouTube result begins playing a small YouTube video, for instance). Other features require you to log in, and currently the only way to do that is with a Facebook ID.
Meuzer seems to have a broader selection of music than Grooveshark: a search on Roy Harper's "The Game"--a song I couldn't find on Grooveshark for the DJ battle with my brother--got several results from YouTube. But I don't like the forced log-in, particularly for the essential playlist feature, and the search results aren't organized nearly as well. For instance, searching for the dub artist Scientist returned multiple results for "The Scientist" by Coldplay (eww) but no Scientist. On Grooveshark, I simply selected the Artists tab and the top 10 results were all Scientist tunes. Still, Meuzer could be a useful fallback for songs I can't find on other services.
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Matt Rosoff is an analyst with Directions on Microsoft, where he covers Microsoft's consumer products and corporate news. He's written about the technology industry since 1995, and reviewed the first Rio MP3 player for CNET.com in 1998. He is a member of the CNET Blog Network. Disclosure. You can follow Matt on Twitter @mattrosoff. 
None of them still pass my ultimate test of pulling up one of my favorite tom petty tracks off The Playback "Down the Line"
-adam
yes, a lot of our features are similar to songza- we give them a lot of credit. But they also lack a lot of features we have implemented. These features include the ability to tag songs and view a music feed of what your friends are playlisting/tagging/rating.
we also have a lot of cool things in store coming up this year : )