On Misty Island, Ol’ Wheezy has stopped working. Thomas wants to help and says he can fix Ol’ Wheezy. He puffs to the Dieselworks and asks Den and Dart for help because two busy boilers are better than one. Den and Dart chuff back to Misty Island together and their drivers work on Ol’ Wheezy until he is fixed! Thomas is asked to take a Famous Composer around the Island and show him the sounds of Sodor to help inspire a new composition. Everywhere Thomas takes the composer, they are interrupted by noisy engines. This makes Thomas angry. However, unbeknownst to Thomas, the noisy engines are inspiring the Famous Composer to compose! Thomas fails to heed a warning sign and has to stop suddenly, making the composer’s music blow away in the wind. Thomas realizes his error and finds a unique way to reinterpret the composer’s music – by using his noisy friends to create The Sounds of Sodor!