Watch Free Online HD Moviesjoy. Hung Kaho and MC Cheung Tinfu, who have known each other since even before their debuts, banded together for the Frenemy Live 2022 concert in September. Besides singing their solo tracks like "Halo" and "Caution Wet Floor," the Warner Music duo also performed each other's best hits – Kaho covered "Overruled" while MC sang "Teardrops in the Ocean" – plus their concert theme songs and duets including "Why Not Both," "Warning" and Frenemy.