This is a really fun (and chill) game with a really nice concept! I definitely can't wait for what you have in store, and I really like the music creator (which even got me inspired to try out making lofi-style music at some point). Please keep up the good work!
As others are doing it, here's the first thing I made with the beat creator:
R3N03:33
01-09-2021C0L0H0I0Q1M0S0K0T3.96,6.53,0,2.55,4,6.3,0,2.47,3.97,6.4,0,2.41,3.89T4.96,7.05,7.51,1.04,3.03,3.5,4.92,6.95,7.41,0.98,2.94,3.4,4.97,6.95,7.42,0.99,2.94,3.4I1Q1M0S0K0T6.52,0.73,1.55,2.49,2.99,3.5,3.99T6.98,0.04T7.51I2Q1M0S0K0T5.01,5.95T4.5,5.8T4.01,5.58,6.5,7.55,7.78,0.49,1.45,1.69,2.54,3.43I3Q1M0S0K0T7.03T7.48,0.77,1.51,2.49,3.52,4.01T0I4Q1M0S0K0T4.05,2.74,3.47T0.61,1.5,2.02T5.98T5.01I5Q1M0S0K0T7.49,1.49,1.99T5.03T4.55,5.52T4.04,6.51I6Q1M0S0K0T2.61,1.04T3.09,0.04T3.59,6.46,7.55T4.04,6.98