WHAT This program is called: "A tool for exploring sound as pure form." or "sound as pure form" or "sapf" It is an interpreter for a language for creating and transforming sound. The language is mostly functional, stack based and uses postfix notation similar to FORTH. It represents audio and control events using lazy, possibly infinite sequences. It intends to do for lazy sequences what APL does for arrays: provide very high level functions with pervasive automatic mapping, scanning, and reduct...