One preset across every vocal on a rap record makes the record smaller. The verse needs to stay intelligible, the hook needs a sound you can recognise on the second chorus, and the ad-libs need to be different from both or they just thicken the lead. Three jobs, three settings, even when one artist recorded all of them in one session.
Quick answer: verses 40-70% correction at 15-35 ms, melodic verses 70-100% at 8-20 ms, hard-tuned hooks 100% at 0-8 ms, ad-libs 70-100% at 0-20 ms with a formant shift for contrast. Set the key before you touch any of it.
Starting settings
| Part | Correction | Speed | Transition / Flex | Humanise | Formant |
|---|---|---|---|---|---|
| Mostly spoken verse | 40-70% | 15-35 ms | Relaxed, Flex 15-25 ct | 15-35% | Neutral |
| Melodic verse | 70-100% | 8-20 ms | Moderate, Flex 5-15 ct | 10-25% | Neutral |
| Hard-tuned hook | 100% | 0-8 ms | Tight, Flex 0 | 0-15% | Neutral first |
| Ad-libs | 70-100% | 0-20 ms | Creative | 0-30% | -2 to -5 st or +2 to +4 st |
Starting ranges, not answers. Set the key and the allowed notes before you copy any speed value from this table, because the scale matters more than the speed.
Verse: protect the words
On a dense verse the pitch information is intermittent. Half the syllables are consonants, which carry almost no pitch at all, and a tracker chasing them produces the chattering that people blame on the plugin.
Keep the correction slower and the Flex generous. Where a bar is close to spoken, automate the correction amount down rather than fighting it with the speed. Remove notes the melody genuinely never uses, but do not try to force every consonant onto a pitch.
If the verse and the hook come out sounding the same, that is the mistake to fix first: raise the verse speed, add Flex, drop the correction amount, and let the hook stay tight. The contrast between them is a large part of why hooks land.
Hook: make the tuning part of the arrangement
A melodic hook can take 100% correction at 0 to 8 ms when the effect is deliberate. This is where hard tuning belongs.
Keep the scale restricted. Narrowing from chromatic to major or minor, and from major or minor to pentatonic, makes the jumps bigger and the effect stronger without touching a single knob. If the hook only uses four notes, disable the rest.
Rehearse the slides through the tuner. Performers learn quickly which attacks make the processor speak, and the takes get better within a few passes.
Double the hook rather than widening the lead with modulation before correction. Chorus and stereo wideners upstream of the tuner confuse detection. A second take tuned identically, or a doubler after the tuner, does the same job without that cost.
Full settings in how to get the hard autotune effect.
Ad-libs: contrast, not volume
Ad-libs earn their place by being different, and most producers only reach for level and reverb. Formants are the underused control here.
Tune the ad-lib independently, then shift its formants without shifting pitch. A downward shift of 2 to 5 semitones gives a larger, darker voice sitting behind the lead. An upward shift of 2 to 4 gives a smaller, brighter one that cuts without competing. The note is identical, so it still sits in the chord.
Keep the lead centred and build the ad-libs around it: pan, delay, reverb depth and formant contrast. That is four axes of separation before you touch the fader.
Formant shifting explained covers why this works and where it falls apart.
Key and scale workflow
This is the step that decides whether any of the above sounds intentional.
Ask for the beat’s MIDI or the chord progression. If you have it, you are done in thirty seconds.
If you do not: check the bass note under each chord, then confirm against the vocal melody. Automatic key detection is a starting point. It is confidently wrong often enough that you should always audition it.
Watch for detuned samples. A lot of sample-based beats sit a few cents away from A=440, and a tuner locked to 440 will fight the whole instrumental. NEOTUNE Pro’s reference pitch runs 430 to 450 Hz for exactly this.
Handle borrowed notes per phrase. If the hook uses one note from outside the key, either enable that note for the phrase or automate the scale. Do not widen the whole song’s scale to accommodate one bar.
The chain
- Clip gain and edits
- Light noise and hum clean-up
- Pitch correction
- Subtractive EQ
- Compression
- De-essing
- Saturation, drive or growl
- Sends to delay and reverb
Tune before heavy distortion, chorus, reverb or widening. Those effects add harmonic content and stereo information that make detection less certain, and anything placed upstream of the tuner is something the tracker has to see through.
Light clean-up before the tuner is the exception and it helps: a high-pass at 80 to 100 Hz and a notch at 50 or 60 Hz if there is mains hum. NEOTUNE Pro runs this as its Clean module inside the plugin, ahead of detection.
The full mix chain with numbers is in how to mix trap vocals.
Troubleshooting
The verse sounds like the hook. Raise the verse speed, add Flex, reduce the correction amount. Keep the hook where it is.
The tuner misses low ad-libs. The detection range is wrong. Set it to that performance’s register, remove any doubles bounced into the same channel, and clean the sub rumble. Formant shift after detection is stable, not before.
Every line bends to the wrong note. Key or scale, not speed. Map the sung pitches against the instrumental and remove the false targets.
Consonants chatter. Too fast for speech-like delivery. Slow the verse setting, raise Flex, and automate correction down on the most spoken bars.
It sounds tuned but weak. Hard tuning strips harmonic content out of a voice. Double it and saturate it after the tuner.
Some words tune and some do not. Usually two voices in one file. Detection needs one voice. Tune the layers separately, then bounce.
Frequently asked questions
What is the best retune speed for rap vocals? 0 to 8 ms for a hard-tuned hook, 8 to 20 ms for a melodic verse, 15 to 35 ms for delivery closer to speech. How melodic the flow is matters more than the genre.
Should rap verses and hooks use the same autotune settings? No, and using the same settings is the most common reason a record sounds flat. Keep the hook tight and let the verse breathe.
Should ad-libs be in the same key? Usually yes, but they can use a narrower set of allowed notes, different harmony intervals and a different formant setting. A key change in the instrumental needs automation or a second instance.
Should I tune before or after compression? Before. Compression flattens the dynamics the tracker uses to find note boundaries. Light clean-up before the tuner is fine and helps.
How do I stop autotune chattering on spoken bars? Slow the correction, raise Flex, and automate the correction amount down where the delivery is closest to speech. Consonants carry very little pitch.
Can you autotune rap that is not melodic at all? Only partly. Flat spoken delivery has almost no pitch movement to snap, which is why most hard-tuned rap is at least semi-melodic.
How do I find the key of a beat? Check the bass note under each chord and confirm against the vocal melody. Use automatic detection as a starting point and always audition it, and check for samples detuned from A=440.
Should I record rap vocals with autotune on? Many artists deliver better hearing the effect. Record the dry signal as well so you can retune later, and keep the buffer at 128 or 256 while tracking.
NEOTUNE Pro covers all three roles in one window: correction, clean-up before detection, formant shifting to 12 semitones for ad-lib contrast, a doubler for hooks, and drive and growl for weight. $29.99. See the plugin.
Next: how to mix trap vocals or UK drill vocals.
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