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A new music-related app is getting some celebrity backup.  Billboard says superstar manager Scooter Braun and Tiesto are among the famous names helping to provide a new round of funding for an app called Splice. Steve Angello, formerly of the Swedish House Mafia, has also jumped on board. 

Another $4.5 million has been raised for the app, which uses a "cloud" to help musicians living in different parts of the world to share music and collaborate.  

Splice is specifically targeted at DJs and music producers, making backers like Tiesto and Angello desirable for name recognition.

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