Mono Tone Prototype/Demo!

This is a game called Mono Tone. A music game where you can listen to music, hit those beats, and jump over the note themsleves! This is just a prototype/demo, and i would like your feedback and maybe tips with what the pricing should be. im think around ~~15 to 24 dollars when the game is complete. the hub music "Effect stones" is on nature sounds - 101 soundboardsounds .comextract files with right click after downloading.