It's what plays when your listening to that amazing cat.
Nyan Cat SongEdit
Many people think The song that plays is saying 'meow'. That sound is actually 'nya', not 'meow'.
Origin of NyaEdit
'Nya' is the Japanese verbal sounding of a cat's meow.The origin of Nyan Cat using "Nya" is actually from a japanese song performed by Miku Hatsune.