Prerequisite is MUS 140 or divisional approval. Introduces advanced recording techniques that lead to master release and demonstration tapes. Provides knowledge and skills in refined areas of multi-channel recording and mixdown techniques. Includes study of the process which converts finished master tapes to phonograph discs or prerecorded cartridges suitable for retail release. Provides experience in solving on-site recording problems. Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.