Hierarchical Music Specification Language

Macintosh and Amiga

synthesis, HMSL is primarily a language for making music. As such, it interfaces with sound-making devices through built-in MIDI classes. However, it has a high degree of built-in understanding of music performance practice, tuning systems, and score reading. Its main interface for the manipulation of musical parameters is through the metaphor of shapes, which can be created, altered, and combined to create a musical texture, either by themselves or in response to real-time or scheduled

Java port of HMSL was developed by Nick Didkovsky under the name JMSL, and is designed to interface to the JSyn