Happy Birthday to you

Match the exact notes and rhythm of the traditional “Happy Birthday” tune. Lyrics: Clearly sung: Vocals: Clear, human-like singing, fully intelligible, natural tone, slightly cheerful and warm. Instruments/Style: Optional gentle piano or acoustic guitar backing, soft drums or bells if desired, but do not change the melody or rhythm. Tempo: Standard traditional tempo (~80–100 BPM), keep the classic timing of the song. Mood: Cheerful, celebratory, authentic birthday feel, family-friendly. Length: About 30–40 seconds, covering the full song once. Mixing: Balance vocals and instruments, no robotic or distorted sounds.