"Generic Happy Music - Katawa Shoujo" is a high quality rip of "Generic Happy Music" from Katawa Shoujo.
Jokes[]
From 0:16 to 0:44, the melody changes to "Snow halation". From 0:48 to 1:02, the xylophone plays "Meet the Flintstones". Then at 1:16, the melody changes to the song "Beloved Tomboyish Girl" from Touhou 6: the Embodiment of Scarlet Devil.