3 First Class Logic Pro X Tricks You Must Know

How to reverse an audio clip

This one is easy as Logic Pro X has this ability built in. Select the audio region, and then on the left side you’ll see a checkbox called reverse. Just click that and it’ll play the audio backward. You may need to click the down arrow before “More” to see it.

Reverse an audio clip in Logic Pro X
Reverse an audio clip in Logic Pro X
piano before
piano after reverse
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This is a really cool effect. You essentially play the reverb on the reversed audio and print it, then revers that so that it’s playing forward. This will result in the reverb tail “fading in” to the original sound. A great example of this is Rusty Cage by Soundgarden. Listen at 0:38 when Chris Cornell starts singing. This was used a fair amount on metal vocals.

First reverse an audio clip like from above. Then put reverb on it. You’ll probably come back after the fact to play with the reverb tail a bit as it’s kind of hard to judge how long it should be while in reverse.

Once the reverb is on it, bounce the track in place. (Use ctrl-B to bounce in place.) Then reverse this track so that it’s playing forward, et voila, preverb.

Preverb in Logic Pro X
Preverb in Logic Pro X
piano with preverb

Sidechain Reverb

Sidechain reverb takes advantage of the long held use of sidechain compression. Take an audio track and send it to another bus. Put some lush reverb on it, and it’ll no doubt get muddy. To clean it up, put a compressor on the bus AFTER the reverb. Then in the compressor, select the instrument track from the sidechain drop down.

You want to put the attack pretty short. What this will do is clamp down on the reverb once the instrument hits a note, preventing energy buildup from the reverb that will compete with the instrument. When the instrument drops below the threshold, the compressor will open back up allowing the reverb through, and filling in the quieter space between the instrument notes. You can leave a long release to make it sound more natural.

This can be done subtly to just clean up some muddy reverb. Or you can use it creatively like a lot of Chillwave artists.

Sidechain Reverb
Sidechain Reverb
Piano Cathedral Reverb
Piano Sidechain Reverb

Note that if you put the Compressor before the reverb, while it will have some effect, it won’t control it as cleanly. What happens is the compressor is only controlling the instrument, so while it can clamp down on what gets passed to the reverb. Reverb being reverb and all, will inevitably reverberate what’s passed into it 😉 The compressor won’t be behind it clamping down.

Now alls fair in music creation, so feel free to try it before and see if it sounds good, but as a general rule, you’ll probably want it before. Don’t forget to check out another Logic Pro X Tutorial.