Andy Blythe and Marten Joustra are British composers who have collaborated on various TV, production music and game projects as part of their company, Swallow Studios.
[citation needed] Joustra's background is as a classically trained pianist.
Having started out as a drummer in various rock and pop bands, he opened and ran a commercial recording studio.
[citation needed] They quickly established a mutual ambition to write music for television and initially gained experience composing soundtracks for corporate videos, radio commercials, and live events.
[1] The tune "Good Evening and Welcome" appeared on the Swedish TV series Ursäkta röran (vi bygger om) by Filip Hammar and Fredrik Wikingsson.