A hyper-realistic cinematic scene of a vintage concert stage with seven legendary artists performing together: Elvis Presley (in a black leather jacket, pompadour hair), Marilyn Monroe (in her iconic white dress, red lipstick), John Lennon (in a black suit with round glasses, holding an acoustic guitar), Etta James (in a sequined evening gown, singing into a retro microphone), and Whitney Houston (in a sparkling 80s gown with voluminous curls), all under warm vintage stage lighting, retro microphones, soulful atmosphere, rich colors, dramatic shadows, detailed 4K realism, photo-realistic, cinematic composition, magical moment frozen in time