Plot: Miley Cyrus: MTV Unplugged is set to air January 29, serving as both a lovely reminder of Cyrus’s genuine vocal talent and the fact that “4x4” is a terrible song no matter the arrangement. According to MTV, Cyrus will perform Bangerz hits like “Wrecking Ball” and “We Can’t Stop,” which is kind of odd considering both “Wrecking Ball” and “We Can’t Stop” are already fairly slow and pared down