This is a list of notable programming languages optimized for sound production, algorithmic composition, and sound synthesis. * ABC notation, a language for notating music using the ASCII character set * ChucK, strongly timed, concurrent, and on-the-fly audio programming language * Real-time Cmix, a MUSIC-N synthesis language somewhat similar to Csound * Common Lisp Music (CLM), a music synthesis and signal processing package in the Music V family * Csound, a MUSIC-N synthesis language released under the LGPL with many available unit generators * Extempore, a live-coding environment which borrows a core foundation from the Impromptu environment * FAUST, Functional Audio Stream, a functional compiled language for efficient real-time audio signal processing * Hierarchical Music Speci