Hi Andy

Here's a simple explanation of compression. There are other bells and whistles but probably not essential yet.
https://www.youtube.com/watch?v=YpOZcaT3txM
This guy's videos are extremely well put together and easy to follow. I think I've listened to most of them now and learnt heaps.
For the vocals consider autotune and doubling as I think has been mentioned previously.


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