咖啡店 bossa nova loop 4 分鐘

[Genre: bossa nova, samba jazz, João Gilberto-adjacent] [BPM: 110] [Mood: warm, sophisticated, unhurried] [Instruments: nylon-string acoustic guitar with classic bossa pattern (thumb bass + fingers on upper strings), brushed snare on 2 and 4, muted trumpet lead, upright bass walking, shaker/ganza, light Rhodes underneath] [Structure: 4 minutes — A section 30s with guitar+bass, B section 30s adds drums, C section 60s adds trumpet lead melody, B section 30s return, D section 60s adds vocals (scat/hum, no lyrics), ending 30s with guitar solo fade back to exact opening for seamless loop] [Vocals: wordless bossa hum/scat in section D only] [Mix: warm analog tape, jazz club ambience, loop-perfect]

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