Music Videos were first materialised during the in 1992 as an idea. These music videos all featured their own songs, mainly sung by children. Starting in, some songs are sung by the characters. From 1994-2003, the songs were based on the theme tunes of a specific character, place, or type of job that the engines would do, which were both composed by veterans, and. Several have been released on CD as audiobooks or music albums.
After Mike and Junior left the series after twenty years, began composing the music for the series, while wrote the songs, both starting from the in 2004. When Ed Welch left in 2009, Robert Hartshorne was left to compose the songs on his own. However, in 2011,, Robert's son, helped him score. The Hartshornes left after their contracts ended in 2015 and and took over as composers. And his company compose, write and produce songs for television series while Davis composes and produces songs for the specials.