As we know, Rihanna, Sting and Bruno Mars will have a mega-medley on Sunday’s 55th Annual Grammy Awards.

Sting, Rihanna and Bruno Mars will perform a medley with “Message In A Bottle,” “Love Without Tragedy” and “Locked Out Of Heaven,” respectively Billboard reports in a recent article.

To remind you, Rihanna will perform twice tomorrow. Also, check out a video from rehearsals.

In case you didn’t know, the song “Message In A Bottle” by The Police, where Sting used to sing, is sampled in Rihanna’s “Love Without Tragedy”.

Make sure to listen to both songs after the jump!