High Quality Content by WIKIPEDIA articles! "Collide" is a song by British recording artist Leona Lewis and Swedish DJ and record producer Avicii. It was written by Arash Pournouri, Autumn Rowe, Sandy Wilhelm, Simon Jeffes and Tim Berg, with production helmed by Wilhelm under his production name Sandy Vee and the Youngboyz. "Collide" is a house inspired love song, that`s instrumentation consists of piano riffs and a guitar. The song was recorded originally for Lewis` third studio album Glassheart as the lead single although it was later not included on the record.