The Simpsons - Season 27, Episode 15: Soundtracks

The song plays after nibbles funeral, when we see him go away in a car towards the sun. It is the theme song heard in the videogame Resident Evil 0 (2002).

Willie plays the bagpipes at Nibbles the hamsters funeral. 

end the scene song. finally found it, not exacly buut the piano and chords are the same.

Willie plays the bagpipes at Nibbles the hamsters funeral.