- Re six word or more titles: purportedly, “I’m a Cranky Ol’ Yank in a Clanky Old Tank on the Streets of Yokohama with my Honolulu Mamma Doin’ That Beat-O Beat-O Flat On My Seat-O Hirohito Blues” by Hoagy Carmichael is the longest song title. Or was. Guinness Book of, say 1970?Feb 4, 2026 17:22