Last weekend at Universal Studios, I stayed late to watch the Mardi Gras concert and that night was Donna Summer. It was a very old school concert. In the days of synthesizers and backing tracks, it's pretty retro to take a large band around. And it was large - an 8-piece string section with conductor, 3 piece brass section, drummer, percussionist, keyboardist, bassist, guitarist, 3 background vocalists, and Donna. The quality of the music was very good and Donna's voice was in good shape. Her shape was a bit bigger, but I can forgive that. It's the music that matters.
During the concert I was surprised and yet not so surprised at the number of people taping the performance on phones and cameras. The volume of amateur visual and audio archiving is amazing nowadays. I haven't looked to see if anything was posted online but it wouldn't surprise me.
This observation is coming from the archivist of 700cb and all other musical collaborations I've been involved in. It's like looking in a funhouse mirror.