You little jerk…

A man with glasses sings into a microphone on a stage with a red background, then the scene cuts to a man in a white jacket dancing on a dark stage, followed by a rapid spin creating a purple light trail, then a man in a white shirt dancing with a crowd holding light sticks, then a man in a black tank top dancing in a dark space, and finally a man in a black tank top and red pants dancing under blue lighting.