With this piano you can burp, fart or normally play any melody.
You can use the pedal to fade out tones.
The piano has 5 sounds: PIANO, BURP1, BURP2, FART1, FART2.
There are also 3 melodies that the automat plays:
SONG1 = Jingle bells
SONG2 = Mozart - Rondo Alla Turca
SONG3 = Beethoven - Ode to Joy
While playing these melodies, you can switch sounds and also play your own tones, for example as the second voice.