John Summit and Subtronics to Headline Experts Only Festival 2026 as Back-to-Back Act 'Subjohnics'

Billboard confirmed on July 28, 2026, that John Summit and Subtronics will headline Experts Only Festival 2026 as 'Subjohnics,' a back-to-back set — two DJs alternating tracks in real time. Summit will also play a solo set. The festival runs September 19–20 at Randall's Island Park, New York, with an expected 50,000 attendees.