Musical QA - guide-track-v3-suno-instrumental.json

[guide_type_unknown] Unknown guide type 'instrumental_arrangement'. Declare one of: full_demo, groove, motif, no_guide, structure, vocal_phrasing.

[timing_grid] All events land within sixteenth-note grid tolerance.
[kick_bass_alignment] Kick/bass alignment is incomplete because one side is missing.
[guide_type_event_density] instrumental_arrangement guide density is 42.5 events/30s.
[duration_alignment] MIDI duration (144.31s) differs from declared duration (140.57s) by more than 0.5s.

Intro - 4 bars ambient pad + bass drone: 12 events over 16.0 beats
Verse 1 - fingerpicked Am/G with walking bass: 36 events over 24.0 beats
Chorus 1 - Am pedal, strummed guitar enters, stable harmony: 24 events over 16.0 beats
Verse 2 - busier fingerpicking, bass walks more: 36 events over 24.0 beats
Chorus 2 - fuller strumming, bass sustains on Am: 24 events over 16.0 beats
Bridge - Dm/E major tension, sparse, caesura on immortal: 15 events over 16.0 beats
Verse 3 - pull-back, sparse fingerpicking, quiet bass: 21 events over 24.0 beats
Final Chorus - full band, loudest section, all layers in: 24 events over 16.0 beats
Outro - instruments fade, leaving space for a cappella: 7 events over 12.0 beats