This a calculator, only with a magical draft paper to make it sing.
Final Boss Beaten. Thx Ge and Andrew for desgining the boss and gearing us up.
video
Source Code
To run: download source code and run run.ck, GText version of ChuGL (v0.1.5) required.
Redesigned GUI for better accessibility. Added harmony and musicbox structure. Added a draft paper to record and activate the "music box" / "sequencer".