TIER 1 – This is the basic stuff, stuff that's generally known amongst fans or has been talked about within the fandom.

TIER 2 – Stuff that's generally but not super known – this contains the content that can't
be recovered however is known about to an extent.

TIER 3 – Lesser known fan content that has lesser info, but there's still discussion.

TIER 4 / 5 – More obscure fan content that's been lost with little to no search at all. This includes BTS' first livestream and any