Complex sentence: The duo wrote the track with Martina Sorbara, a band member of Dragonette, who also contributed her vocals for the song and the single's B-side track "Trouble".
Split into simpler sentences: The duo wrote the track with Martina Sorbara, a band member of Dragonette, who also contributed her vocals for the song. She was also credited for her vocals on the B-side track "Trouble".