He has composed music for every season from the eighth season until the nineteenth season, as well as composing music for Calling All Engines!, Thomas' Trusty Friends/On Site with Thomas, and recomposing the American narration of the seventh season. Until the twelfth season, he worked on the songs with Ed Welch. For Day of the Diesels, his son Peter helped compose the songs with him. In Tale of the Brave, he composed and performed Monsters Everywhere. He was also commissioned to write a song called "Stronger As One" in honour of Queen Elizabeth II's Diamond Jubilee, sung by Laura Wright.