CBX - Ka-CHING! (Zico 프로듀싱, 2018)

"Ka-CHING!" by EXO-CBX (the sub-unit of Chen, Baekhyun, and Xiumin), produced by Zico in 2018, is a brassy, retro-leaning pop confection that traffics in maximalist fun. The production swaggers with horn-section stabs, a bouncing bassline, and a vintage funk-pop sheen, the recurring cash-register "ka-ching" hook turning consumption and confidence into pure earworm. Zico's fingerprints show in the playful swing and the chant-ready chorus, built for instant recall rather than depth. The three vocalists — among the strongest in EXO — are deployed for charm rather than power balladry here, Baekhyun's bright tone and Chen's rich resonance trading off with breezy, almost winking delivery, while Xiumin anchors the rhythm. The emotional register is unburdened playfulness, a flex about living lavishly that never takes itself seriously, all spectacle and sparkle. Culturally EXO-CBX represented SM Entertainment's strategy of spotlighting a powerhouse vocal sub-unit in lighter, more pop-forward material than the parent group's grandeur, and this track leaned into that levity. The ideal listening scenario is upbeat and social — getting dressed to go out, a good mood needing a soundtrack, the sort of song that makes mundane errands feel like a music video. It's confection with craft underneath, three skilled vocalists and a sharp producer choosing joy over weight.