With "A Piece of Me," Western Australia’s Bailey Perrie offers up a pop rock grenade with the pin already pulled, cleverly disguised as a twisted love song. It thunders forward with a cinematic, arena-ready confidence that makes its raw, emotionally brutalist core all the more disarming. The effect is something like finding a tear-stained diary page taped to the side of a massive firework...

Casey McQuillen’s single “Better” arrives not with a bang, but with the quiet, decisive click of a well-made lock securing a door. It’s pop music, certainly, groomed and gleaming, yet beneath the surface bubbles a fierce kind of self-possession that’s less about demanding attention and more about curating who gets past the velvet rope of your own contentment. Coming from someone known for empowerment...