Listen & compare
Yokohama occupation jazz → postwar kayōkyoku / national singing standard
Scroll down to follow the path from import to output
1941Yokohama Port / US Eighth Army Base (Seaside)
The Andrews Sisters
Jump-swing / boogie-woogie rhythm imported via U.S. occupation camps and FEN radio at Yokohama Port.
Song page1948Yokohama International Theater & post-war circuits
美空ひばり (Misora Hibari) ← 笠置シヅ子 / 服部良一 (1947)
Night-after-night sets as the “little girl who mimicked Shizuko Kasagi” at Yokohama International Theater forged swing feel and rhythmic physicality to the limit.
Song page1957Nippon Columbia / Tokyo
美空ひばり (Misora Hibari)
U.S. jazz–mambo rhythm fully fused with Japanese harbor-town melancholy melody—an irreversible national kayōkyoku landmark.
Song page