Rag Week - a period, usually a week, in which various events are organized to raise money for charity, including a procession of decorated floats and tableaux. "Students who rush through the streets during rag week in hilarious clothes, giant nappies, green wigs, and so forth, rattling buckets under your nose."

It's All True (the documentary) incorporated footage from the aborted film of the same name that Orson Welles (him again) starting filming in Brazil and Mexico before board changes at RKO, among other things, led them to pull the plug.