Antares Auto-Tune

Insert Auto-Tune Pro on the vocal lead.

Set Retune Speed to 0.

Set Humanize to 0.

Select the correct Chromatic or Major/Minor scale.

Adjust Formant for subtle character brightening.

Enable Flex-Tune at approximately 50%.

Set Retune Speed to a slow value (50-80ms).

Increase Humanize to 60+ to preserve natural vibrato.

Use Graph Mode to manually fix only the offending notes.

Run Auto-Tune Artist or Pro in 'Low Latency Mode'.

Connect a MIDI keyboard to trigger target notes if needed.

Apply subtle retune speed (20ms) for confidence monitoring.

Open the Harmony Engine module within Auto-Tune Pro 11.

Assign the 4 harmony voices to different intervals (e.g., 3rd, 5th, Octave).

Use MIDI input to play the chords the harmonies should follow.

Use Throat Modeling to radically increase throat length.

Apply extreme Formant shifting downward.

Use the 'Mutant' or 'Warm' modules for saturation and texture.

Set the Input Type to 'Instrument'.

Use Graph Mode to draw the correct pitch curves.

Ensure the 'Tracking' knob is adjusted to follow the instrument's unique harmonic profile.

Load Auto-Key 2 onto the sample track.

Play the audio; the plugin displays the detected Key and Scale.

Click 'Send to Auto-Tune' to automatically update all instances.