Nat Burgess, an angel investor and President of the Corum Group, is concerned the app is "immature." He cautioned that the start-up would "live and die" based on its ability to nab listeners. 

Alakoye told CNBC he expects to nab more users by getting "star drivers". So a Katy Perry fan could essentially 'hitch a ride' in real time with Perry to hear what she's listening to. He would not disclose any celebrities he's in talks with.

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