The scrutiny instrument for utterance-on-grid alignment of aesthetivox vocals: piano-roll rows by MIDI note, one block per syllable with its sung text and its own waveform envelope printed inside, numbered bars, per-beat tinted grid, kick floor, waveform riding the bars, fixed playhead; loner framesync discipline + synccal-measured SYNC_MS. Claude-Session: https://claude.ai/code/session_018jfCTUMAbjPQTcVPm7vCts