In this article I'll give you a lightning overview of SuperCollider (SC). I'll point you to the best tutorials I've found, and give you some advice on how to learn SC -- so if you're ready let's get started!
What is SuperCollider?
SuperCollider allows you to type in code and output sound. The code you type describes how the sound-generating objects should behave. It's interpreted in realtime, and you hear the results straight away through your speakers.