Open World Entertainment's new boyband, 'X-5', finally made their long-awaited debut on today's episode of "Music Core" with "Don't Put On An Act"! With a title track produced by hip hop's big daddy, 'Rhymer', the boys showcased an excellent performance that utilized the song's electro hip hop rhythm for an engaging and complex choreography while also rapping about the betrayal of love alongside a synth rhythm. Check out their debut stage below! Source: Daum Music