Matheson Bayley (born 15 December 1978, Chertsey, Surrey, England), is a British pianist, composer, orchestrator, singer and television host. He studied commercial composition at the Royal Academy of Music, London. Having worked as a musical director of musical theatre in London's West End, and as a composer/arranger for television, he is particularly noted for his album "Native Hue", recorded with Cypriot singer Alex Panayi; and for having presented the Eurovision Song Contest behind-the-scenes documentary, "Magic Moments" in 2006 and 2009.
Bayley has directed the recording sessions of, written vocal arrangements for, or performed with such artists as: Joy Tobing (Indonesian Pop Idol Winner 2005), Rickard Engfors (Swedish tour 2005), 2nd album of Hi-5, as well as having sung on the Disney cartoons The Wild, Brother Bear 2, Oliver and Company, The Three Caballeros, Saludos Amigos, Leroy and Stitch, Make Mine Music, James and the Giant Peach, The Wild, Basil the Great Mouse Detective, Fun and Fancy Free, The Adventures of Ichabod and Mr Toad, Brother Bear 2, The Fox and the Hound 2, Teacher's Pet, The Book of Pooh, Mickey's House of Villains, Mickey Mouse Clubhouse, Up, Up, and Away and Melody Time, as well as on the Tim Burton picture, The Nightmare Before Christmas, the PlayStation Video Game The Little Mermaid II: Return to the Sea, and DreamWorks' Shrek 2 - (Greek dubbed versions).
Matheson also appeared on stage playing cello at the 2006 Eurovision Song Contest during the French performance.