As a mixing and mastering engineer, I’m often asked about good reference songs, so I did a FREE post on my Patreon listing some refs I use often with some most popular genres (DNB, house, hip hop, trap, techno):
https://www.patreon.com/posts/49752366

Later this month I’ll be doing two EXCLUSIVE videos:
1) how to reference efficiently and
2) how to set up your own mastering project in your DAW.

So if this is something that interests you, sign up to my Patreon.