Tor Halmrast (b.1951 in Sarpsborg, Norway), Composer and Acoustician. Selected works: “Alfa og Romeo” (RadiOpera, Norw. Radio Symph. Orch. Awarded European Broadcasting Union´s Prix Italy). “Music for the Norw. Pavilion at the World´s Fair” in Seville, price for best composition/sound installation). “Retning” (Award in EBU Rostrum). Arranger and studio-musician (Spelemannsprisen/Norw. Grammy). Acoustical design of buildings for Opera, Theatre, Concert, Music Education and Studio. Numerous scientific papers on room acoustics. Assoc. Professor at both University of Oslo/Musicology and Norw. Academy of Music.