[1.5] NEW features: Looping sound, adjust the Violin buttons up and down
- Improve and Optimize: performance, audio, create music sheet feature
- Fix bug
[1.4.1] Improve and Optimize
- Fix bug
[1.4] New features: Arco area (Drag area) is scalable, Reverb preset, Record without Microphone
- Improve and Optimize: Game play, Graphic, Audio Latency
- Fix bug