ZZJB is a Leeds-based DJ known for heavy melodic genres from the 90s and 00s, particularly early Grime and Breakbeat Hardcore. Having started DJing at the end of 2023, ZZJB has played at popular Leeds venues such as Beaverworks and Headrow House, playing on lineups for promoters such as Airspace. ZZJB is also a committee member of Leeds' student-based BPM Society, having given workshops on mixing for beginners and those interested in learning, as well as managing the LSR residency and helping run the society's weekly open decks.