kind of, the keys just lift stoppers which cover a row of holes… it’s like a giant harmonica with all the notes playing at once. The one i played with years ago (half-broken dead-spider-filled cheap one from a car boot sale) I didn’t get all that interesting results really. You can’t really bend notes at all, unless you messed with the actual reeds + pipes/chambers behind the holes somehow
my idea which i fortunately never tried was to make a small jet engine to replace the fan which powers it 