We can already hear below a song written by Britney Spears which is interpreted by Selena Gomez. It is "Whiplash", which was originally intended to appear on Britney's 2009 album 'Circus', but was left out.
Now the song will go to Selena's new and third album, 'When The Sun Goes Down', which will be out on June 27. The song was written by Britney Spears with Nicole Morier and Greg Kurstin.
Selena Gomez & The Scene - Whiplash by Tobias Topelt