Wasd or arrow keys, you can also crouch. Press 1 for Alan Walker, 2 for TheFatRat.
This is a collab with @mattgv and @fjoifwo, go check out his version. https://scratch.mit.edu/projects/427746424. Thanks to @TheCactusMaster for the tutorial. Alan Walker, and TheFatRat. If you want different music options, comment them.