사용한 프롬프트
1960s rock & roll with doo-wop and early R&B influence,
medium tempo around 105–115 bpm,
relaxed grooving rhythm with walking-style bass,
vintage live band sound,
male lead vocal with laid-back swagger,
smooth and slightly bluesy tone,
behind-the-beat vocal phrasing,
classic doo-wop backing harmonies (oo-wah, shoo-bop),
warm analog recording feel
