Beep
A little package that brings sound to any Go application
... the architecture and the API. Rich library of compositors and effects. Loop, pause/resume, change volume, mix, sequence, change playback speed, and more. Easily create new effects. With the Streamer interface, creating new effects is very easy. Generate completely own artificial sounds. Again, the Streamer interface enables easy sound generation. Very small codebase. The core is just ~1K LOC.