**Style:** Classic Doo-Wop Ballad (Slow Jam). **Mood:** Vintage romance, streetlight serenade, warm tube amp glow. **Rhythm:** 72 BPM slow sway. Soft kick on 1, hand clap snap on 2 and 4. Light brush swing on snare. **Arrangement (4 bars):** * **Bass:** Deep Upright Bass walking down the scale. * **Harmony:** Electric guitar with heavy spring reverb, picking minor seventh arpeggios. * **Vocals:** Solo tenor lead melody. Three backing voices harmonize "I-vi-IV-V" progression using "Doo-wop, sha-na-na" falsetto in the hook. * **FX:** Tape hiss background, empty high school gym echo.