Press the green flag and the arrangement will play. Press space to play it again after it finishes (or you can just press the green flag again).
The sound quality is much better if you listen to it here, and the sheet music is also here if anyone wants it: https://flat.io/score/5a95cd266cd32e60d876e5b0-lavender-town-theme You don't need an account to view the score on Flat, but if you want to comment on it there or do anything else you have to make an account or sign in with Google.
