"diamondsAndCode” is a Open Source Augmented Reality performative teaching game for turntable practice and instrumentation, with the focus on the techniques of scratching, beat juggling and User-generated calibration/content. The game uses the exact position of the needle in the record as the quantifiable data that advances score and the win state.

"diamondsAndCode” biphasic system of a question then answer is traditional to music competition and maintained by DJ culture. This is audience independent, Procedural content generation iterated and does not require a pre-subscribed ability by player. It is familiar to the intended community and recognizable by beginners.