《她曾是》

Mandarin lyrical pop + light folk, BPM74, B♭ Major, 4/4 beat, 4min30s. Emotion: innocent→forbearing→affectionate→redemption, restrained, highlighting the story (maternal love, mutual dedication). Instruments: Yamaha C7 piano, nylon-string guitar, live-sampled strings (violin/viola/cello), cajon, wind chimes, light synth pad; no heavy electronic/distorted guitar. Structure: Intro (piano+guitar+wind chimes, serene)→Verse1 (light cajon+piano+guitar, fresh)→Verse2 (add strings+bass, down-to-earth)→Chorus1 (full strings+drum set+two-part harmony, affectionate)→Bridge (strings-led+pad, time-space sense)→Chorus2 (add light electric guitar solo+three-part harmony, sublimation)→Outro (piano+guitar+cello, silence). Harmony: Verse: Am-F-C-G; Chorus: C-G-Am-F. Dynamics: piano→mezzo-piano→mezzo-forte→forte→piano. Vocals centered, warm transparent mixing.