Raul Marcos

Spanish sound engineer and also producer. Pioneer in the creation of [l=Audiofilm] recording studios in 1966-67 in Madrid (Spain) working as chief engineer until 1972. Previously worked in RCA Española, S.A. (1957) in quality control later adquired by Fonogram, S.A. After Audiofilm he worked at / from 1972 to 1974 and then built and worked early years of , then as freelance working until 1989.