Welcome to Bucks Fizz 🍾, your go-to weekly digest covering TikTok’s biggest emerging music trends, rising artists and our favorite hidden gems. This week: diving into TikTok’s viral bangers, courtesy of sad alex’s itty bitty titty committee and Trinidad Cardona’s 2018 revival. Plus, new music from our rising picks including Caity Baser, Jay Kim and Kat…