<SONG_PROMPT> <!-- # v1.0.4 – 2025-10-02 # Global viral hit directive: # Create an old-time smoky jazz instrumental with 1930s club atmosphere. # Selmer Mark VI soprano saxophone soloist must be featured as the lead instrument. # No vocals. --> <HEADER> [Scene: dimly lit 1930s jazz club, smoky air, wooden stage, clinking glasses] [Mood: nostalgic, classy, swinging, smoky] [VOCA: none – instrumental only] [TEMPO: 92 BPM, swing feel] [KEY: Bb Major] [INSTRUMENTATION: Upright Bass, Brush Drums, Upright Piano, Selmer Mark VI Soprano Saxophone, Clarinet, Muted Trumpet, Acoustic Guitar (comping), Strings Background, Percussion (Shaker, Woodblock), FX Vinyl Crackle] </HEADER> <CORE-SOUND-ATTRIBUTES> [BASS: upright walking bass, woody resonance] [DRUMS: brushes on snare, light swing ride] [PIANO: upright piano with ragtime/jazz voicings, slightly detuned for vintage feel] [SOPRANO SAXOPHONE: Selmer Mark VI, lyrical, smoky lead voice with expressive vibrato] [CLARINET: warm, nostalgic improvisation, counter-melody role] [TRUMPET: muted trumpet, conversational accents, call-and-response] [GUITAR: acoustic comping with swing rhythm] [STRINGS: soft background warmth, subtle] [PERCUSSION: shaker + woodblock for swing groove texture] [FX: vinyl crackle, glass clinking, faint chatter, smoky room reverb] </CORE-SOUND-ATTRIBUTES> <STRUCTURE> [Intro] [Scene: club lights dim, smoke drifting, audience chatter low] [FX: vinyl crackle, glass clink] [Instrumental: Upright piano sets chords, bass walking, brushes enter softly, Selmer Mark VI soprano sax makes first phrase] [Verse 1] [Scene: spotlight on soprano sax player, smoky spotlight beam] [Instrumental: Selmer Mark VI soprano saxophone carries main melody, piano comping, bass steady, brushes shuffle] [Chorus A] [Scene: swing dancers tapping on wooden floor] [Instrumental: Full ensemble – soprano sax lead, muted trumpet accents, clarinet fills, acoustic guitar comping, strings pad very soft] [Verse 2] [Scene: clarinet and trumpet trade phrases, audience laughter faint] [Instrumental: Clarinet improvises, muted trumpet responds, soprano sax re-enters with melodic phrase] [Bridge] [Scene: hush falls over club, spotlight shifts to piano] [Instrumental: Upright piano solo with bass + brushes only, soft woodblock accent] [Final Chorus] [Scene: full band swings, soprano sax dominates with expressive solo] [Instrumental: Selmer Mark VI soprano saxophone soaring phrases, trumpet and clarinet join background harmony] [Outro] [Scene: smoke lingers, audience applause faint] [Instrumental: Soprano sax fades with soft vibrato, bass walks down, brushes end with cymbal wash] [FX: vinyl crackle fades out with last note] [End] </STRUCTURE> </SONG_PROMPT>
