CSound
Until last week, I had never heard of CSound, a programming language designed in 1985 for synthesizing sounds and signals. As I read the Engadget article, I discovered that Brian Eno, Richard James (aka Aphex Twin), Trent Reznor (aka Nine Inch Nails) and many others have been using CSound for years. With free downloadable programs for Windows, Mac and Linux, and the tutorials below as a guiding framework, aspiring musicians, producers, and the like should have no trouble getting their computers to beep, squeal and squawk like an ARP.
Part one via Engadget
Part two via Hack A Day
Visit the CSound site