With Spotify, both you and artists are still screwed.
If you have Spotify free you will be interrupted by ads breaking all immersion in your albums. Artists will get paid barely anything.
If you have Spotify Premium, you will have to pay money, and most of that money won't even go towards the artists. The artists will get paid a little more then barely anything.
Definitely don't do this. It won't help with port forwarding over a VPN, and it will increase attack surface for no reason.