Ground-truth melody complete (@jeffrey): C4 G4(high) C4 C4 C4 · C4 C5 flare · B3 A3 G3 F3 · E3 E3 D3 · D3 C3 C3 low landing. holyvox.mjs: demucs phrase stretched 1.6x to half-time over a 124 kick5, WORLD note-lock with vowel-onset anchors and ^/v octave constraints, sine choir bed (C/F/G) with pump, church halo. notecheck.py proves every render: start/mid/end pitch per syllable, legato glides recognized — 20/20 within tolerance. Plus sacredvox/coolvox/voxsing ladder + mp4 route and accomp transpose/lead flags. Claude-Session: https://claude.ai/code/session_018jfCTUMAbjPQTcVPm7vCts