Library Fight is a unused week in JBlock's Jam Night, it was based off a incident where @DocWhoDarkInjustice, @studio989, and @AmirLovesFNAF caused a attack when @shironthewindragon that started doing a remix chain of them. This week was made after the incident. and so that song that is playing is The Old Roblox Horror Music, Known as "Scary Chill".
Credit to all