 Barlow is the scriptwriter, as well as lead performer, in many National Theatre of Brent productions, in particular "All the World's a Globe" (1987), "Desmond Olivier Dingle's Compleat Life and Works of William Shakespeare" (1995) and "The Arts and How They Was Done" (2007).In non-Theatre of Brent performances, he wrote and played in the four-part situation comedy for radio called "The Patrick and Maureen Maybe Music Experience" which ran for four weeks from January 1999.He played the part of Om in the radio adaptation of Terry Pratchett's "Small Gods" (2006), which was adapted by Robin Brooks.