Island Def Jam Music Group is launching a mobile music subscription service dubbed IDJ Radio.

The service will feature six streaming "radio" stations and on-demand music videos featuring hip-hop/R&B, old school classics, and Reggaeton/Latin hip-hop from both Island Def Jam artists and those of other labels.

Mobile content firm mSpot is providing the technology behind the service. The company says one mobile operator will have an exclusive to the content, but did not name which one, nor did it reveal pricing. Details will emerge in the coming weeks according to mSpot.

Sprint is one of mSpot's biggest carrier partners, offering the company's various radio services and other applications.