 All this results in a neo-classical ambient impressionism distinguished by a strong visual approach, as shown in albums like "Mist" and others he has recorded, starting from 2001, after a move to Seattle.In addition to his solo productions, Brennan appeared in collaboration with other well-known ambient composers such as Steve Roach and Kevin Braheny on "Western Spaces" (1987) and Vidna Obmana on "Amplexus