"Wastelands" is a song by American rock band Linkin Park from their sixth studio album, The Hunting Party. The song was written by the band and produced by co-lead vocalist Mike Shinoda and Brad Delson, and co-produced by Rob Cavallo. "Wastelands" was sent to Sirius XM Radio radio stations in airplay on June 1, 2014, and was then released as a promotional single on June 2. Although, a 44 seconds long preview of the song was aired before, and a minute long preview was used in the promotion of UFC on the date of release of the song. Later on the song was used as the theme song for "UFC". The cover of the song was available three days before the release of the song at SoundCloud. The song can be streamed on Sirius XM. It is also a playable song on the music video game Guitar Hero Live.