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...

The new single "Bun The Babylon" by the UK-based musician Kace is a scathing indictment of authority figures and systematic injustice; it's a heavy-hitting UK hip-hop anthem. Lyrics that address actual issues ensure the message resonates even among head-nodding rhythms, while the music draws people in. The passionate performance elevates feelings of disappointment or rage to the level of a motivating factor, evoking pressing, real-time opposition. The...