Information for Lost in Music at The Coliseum, Aberdare (Concert). Lost in Music is a new gig-theatre show which retells the myth of Orpheus and Eurydice: the story of a talented musical couple's journey to hell and back. Performed by Jill O'Sullivan (Sparrow and the Workshop, BDY_PRTS) and Alex Neilson (Alex Rex, Trembling Bells).