Stem Separation

Stem separation is the process of taking a song and splitting it up into unique parts.

The basic version of this is :

• Instrumental
• Vocals

The more complex version of this is :

• Bass
• Drums
• Vocals
• Other

It used to be that you needed to use iZotope RX for this. RX is still great, but there are open source solutions that are pretty darn good. 

May I recommend : Ultimate Vocal Remover

Website here / Github here

Here's a great recipe to use. You need to download some of these models within the app's settings first. 

Also, even though it says GPU conversion only works for NVIDIA, it makes a huge difference on Apple Silicone if you have it checked. woooooooo