iHeartRadio app is also pretty cool because you can make your own station and save it too. Sadly, I think you are limited to one skip an hour or so though.
Miss MixRadio. There is truly no equivalent app in terms of design. The music selection was great as well, and the "Play Me" was excellent. Don't understand why Microshaft didn't keep it instead of Xbox Music/Groove to make it the standalone player.