microphone in concert hall with blurred lights at background. retro microphone on stage with bokeh light. colorful bokeh effect

microphone stage music sound bokeh audio concert entertainment flyer performance club disco event karaoke mic nightlife party voice audience broadcast hall conference announcement announce auditorium band blur glowing dynamic soft metallic old metal stand indoors vintage nightclub background rock sing lights shiny classic show recording silver live musical talking spotlight blurred background retro light colorful effect singing lighting