Would, to generalize, heavy metal be considered part of rock genre? If the answer is "yes", then oh boy, does it have quite a stream of new bands...

Dirty Honey, The Black Tones, Greta Van Fleet.

It's easy to find more with modern music streaming services.

The 1975 are huge, and The Dare are getting huge.

And there’s a thriving middle class of rock artists: Alvvays, Future Islands, Fontaines DC, MJ Lenderman, Yves Tumor, Alex G all play large if not stadium-sized venues.

King Gizzard and the Lizard Wizard are both popular and novel.