Bone To Be Wild

Bone To Be Wild (骨 to be wild（ボーントゥービーワイルド）) is a song written and sung by Brook. Similar to Zombie Night, this song was only referenced once in the manga, but was made into a small musical number in Episode 517 and Episode 519.

Trivia

 * The song's name is a parody of the song Born to Be Wild by the band Steppenwolf.