Some other tricks you can do to add depth to a mix is to add chrous to vocals particularly with backgroung vocals to give the feel of more vocals than there are, a lot of mixing guys use with pluging, but that's debatable. I say if you start with a great recording then you'll have less work to do in the mix.

Computer: Macbook Pro, 16 inch 2021
DAWs: Pro Tools, Logic, and Maschine
plays drums, percussion, bass, steel pan, keyboard,
music producer/engineer