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...

Ettie, who was born and raised in London, is a phenomenon in the music industry because of her lyrical alchemy, which transforms cultural touchstones and personal histories into pure alt-pop gold. She is able to compose alternative pop songs that speak to the anxiety that is felt by millennials because of the gift of being able to play with words. Ettie, who has a degree in...