The Bureau believed that marijuana slowed down your perception of time dramatically, and this was why jazz music sounded so freakish—the musicians were literally living at a different, inhuman rhythm. “Music hath charms,” their memos say, “but not this music.” Indeed, Harry took jazz as yet more proof that marijuana drives people insane. For example, the song “That Funny Reefer Man” contains the line “Any time he gets a notion, he can walk across the ocean.” Harry’s agents warned: “He does think that.”