Glossary of Digital Audio terms
MAS is an acronym for "MOTU Audio System". The MAS plugin format was created by MOTU for its Digital Performer DAW application suite. While MOTU and several plugin developers still support the MAS format.
A musician (or instrumentalist) is a person who plays a musical instrument or is musically talented, or one who composes, conducts, or performs music.
Musicians can specialize in any musical style, and some musicians play in a variety of different styles. Examples of a musician's possible skills include performing, conducting, singing, composing, arranging, and the orchestration of music.