TUNE - Climate Change Challenge - Sophie Sterckx by Sophie Sterckx published on 2018-11-15T08:37:11Z TUNE: This practice song-file is for the TUNE and is suitable for all voices. Start by teaching this part, followed by the SOPRANO VOICE part and then add TENOR and BASS parts if wanted. The Extra High harmony part can be added last if wanted too. This Climate Change Challenge song was originally written for Stroud's Big Climate Change March in September 2014. Revised for Stroud's Family Friendly XR Parade on Saturday 17th November 2018.