Apple is trying to land Drake, David Guetta, and Pharrell as guest DJs for its revamped iTunes Radio, according to a report in the New York Post. While the rumors haven't been confirmed, the addition of these musicians to the iTunes Radio team would ramp up the streaming service's building starpower, which currently includes popular BBC Radio 1 host Zane Lowe.

Apple has reportedly been struggling to ink deals with music labels for the Beats-powered service. At the start of this month The Verge learned that Apple had not yet signed a deal with Universal Music Group, whose artist roster includes Drake. Some of Apple's struggles could be a result of its aggressive tactics, which include pressuring labels to force Spotify to abandon its free tier and trying to get UMG to pull its music from YouTube.

The Post also reports that Apple wants to offer users a three-month free trial period for the service (which will cost $10 per month), and it wants labels to give it music rights for free during that period.

Apple's attempts to get big-name artists to hawk its service is similar to the tactics of Jay Z's fledgling streaming service Tidal. Even if Apple doesn't manage to snag Drake, Guetta, or Pharrell, it's not surprising the company would try to increase iTunes Radio's appeal with celebrity. Apple's deal with Drake could go as high as $19 million, the Post reports.

Apple is expected to reveal the service on June 8th at the 2015 Worldwide Developer Conference.