A software synth designed with livecoding and codejamming in mind. Optimized for the Raspberry Pi. FOSS Designed with classrooms in mind but certainly not necessary. Looks like a clean and straightforward programming language. You can definitely perform with it. There's a free to download ebook about it available on the usual appstores. soundsculpting Can also play back samples with it, not just building synth patches. Available in the Raspbian default package repository.