Vapor DrawingsAmazon. com Mark Isham's enduring 1983 solo debut captures his graduation from gifted trumpeter with groups like Rubisa Patrol, Group 87, and, most visibly, Van Morrison, to composer with a more versatile and ambitious body of work. On Vapor Drawings, Isham's trumpet and flugelhorn are augmented by synthesizers, piano, soprano sax, and electronic percussion in a series of layered, atmospheric tone poems that nod to Philip Glass and Steve Reich, as