Anton, a member of the band RIIZE, performed on the cello at the '2023 MAMA AWARDS' on November 28 in Tokyo Dome in Japan, which was telecast live on Mnet. This year's 'WONDER STAGE' tried to bridge geographical, linguistic, genre, and generational divisions. The Cello performance has gone viral, with people praising the amazing singer's ability and passion. He was also teamed up with talented musicians such as Yoshiki, Taehun, and Hueningkai.