My previous post made me think of this…

I was there. In the Wikipedia entry for the Album ‘Rattle and Hum’ it says:

The performance of Bob Dylan’s “All Along the Watchtower” is from the band’s impromptu “Save the Yuppies” concert in Justin Herman Plaza in San Francisco, California on 11 November 1987. The video intersperses the performance of the song with footage from the band’s performance of “Pride” from the same show, during which Bono spray-painted “Rock and Roll Stops the Traffic” on the Vaillancourt Fountain. This caused a bit of controversy, and ultimately, the band paid to repair the damage and publicly apologized for the incident. The phrase “Rock and Roll Stops the Traffic” reappeared 18 years later in the video “All Because of You” when an unnamed fan appeared with the sign at 1:55 in the video.[12] It also reappeared in February 2009, when the band played on the rooftop of the BBC Radio studios in Langham Place…