Complex sentence: The conversion from film to recording studio was undertaken by architect Robertson Grant and the acoustics completed by Keith Grant and Russel Pettinger; the studios won "Music Week" magazine's award for best recording studio five times.
Split into simpler sentences: The conversion from film to recording studio was undertaken by architect Robertson Grant and the acoustics completed by Keith Grant and Russel Pettinger. The studios won "Music Week" magazine's award for best recording studio five times.