Grooveshark, a subsidiary of Escape Media Group, is an online music streaming service based in the United States. It has a search engine, streaming service, and recommendation application. Users can stream and upload music that can be played immediately or added to a playlist.Grooveshark's legal status remains controversial. It won a major lawsuit filed by Universal concerning its pre-1972 recordings, but other lawsuits are still in progress. As of January 2012, Grooveshark has been sued for copyright-violations by all four of the major music companies: EMI Music Publishing, Sony Music Entertainment, Warner Music Group, and Universal Music Group.