Our weekly look at the hottest new music apps available for you mobile device.
Created to promote his album Destroyed, coming May 17, Moby debuted a new microsite that leans heavily on features provided by song-sharing service SoundCloud and photo-sharing app Instagram. The site is an interactive map that tracks where Moby was when he created each song on the pending album, with SoundCloud providing the music and Instagram providing the photos. Fans can also add their own images from Instagram, tagged with location data and uploaded to the site.
Music blog aggregator The Hype Machine put out a long-awaited mobile app that pretty much recreates the company's online music streaming experience on their mobile phones. The Hype Machine broadcasts a playlist (or Internet radio station, however you want to call it) of music currently being streamed from a wide variety of music blogs online. It's basically a radio station programmed by hundreds of different music blogs, meaning the tracks are the more trendy, emerging acts typically favored by the music blog community -- making it a great source of new music discovery. It also includes a blog directory, links to song/album reviews.
Numark iDJ 
Numark is known for making various DJ equipment designed to bring digital tracks to the tradition "two turntables and a microphone" format. Now, it's expanding into consumer goods, with the iDJ app for the iPad and iPhone. It lets users create custom playlists from their stored music collection, and wirelessly send their mixes to home entertainment systems via Apple's Airplay unit. The app helps users build their playlist by recommending similar songs, using tools like a "beats per minute" detection technology, which would be useful for fitness instructors, etc.
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