K-pop in April 2026: BIGBANG’s Coachella comeback and T.O.P’s return after 13 years, amid NCT departure and CIX disbandment

A K-pop roundup for April 2026 highlights BIGBANG achieving their Coachella “revenge” plans, T.O.P returning after 13 years, and major changes including NCT’s departures and CIX disbanding. It also mentions the so-called “seven-year curse” period.