On the hip hop side, they're growing in popularity but could be bigger: Coast Contra

One of the modern rap/hip hop groups that really holds up, and they're consistent with the quality

This was the video that got me following their stuff:

https://youtube.com/watch?v=IdNxeepSpuk

Mallory Chipman is wonderful.

Really obscure: I like Ramsay Midwood, Have Gun Will Travel, and Joshua Ray Walker too, so good and a class act as a person.

Somewhat known: I love Ondara, Durand Jones & the Indications and all their associated solo stuff, Charley Crockett, Toro y Moi, Phosphorescent, Josh Ritter, Arlo Parks.

Oh my God how could I forget, they are broken up now but J RODDY WALSTON AND THE BUSINESS! They are one of the best live acts I've seen and their records were also great.

Hello Meteor: https://hellometeor.bandcamp.com

Exodrifter: https://exodrifter.bandcamp.com (discovered his/her work with Radio Free Fedi)

Does the Gorillaz count? I know they got Tama Impala and Bad Bunny on their Cracker Island album but I never see anyone talk about them