What are we calling “Gen Z” in this context? Do Lana Del Rey and Lorde and Tove Lo and First Aid Kit count? If so, then there are a number of contenders.
If it needs to be late 20teens stuff, though? Fuck, I dunno. Something from Billie Eilish, maybe? George Ezra’s too old, I think. Umm… Dave’s “Lesley”. Let’s go with that.