Rihanna & Paul McCartney & Kanye West

This week Mr. West made a surprise appearance at the iHeartMedia Music Summit to preview a new duet with Rihanna. The song titled “Four Five Seconds” is finally available online. Although it is unclear if the song is to be featured on West or Rihanna’s new album, the collaboration is definitely a candidate for our latest favorites playlist. As for McCartney, 2015 has initiated with two unlikely collaborations and we can’t wait to see more. Listen to the track here or download it from iTunes.