So, I looked up Achtung Baby from U2's Zoo TV Tour in 1991
https://en.wikipedia.org/wiki/Zoo_TV_To ... ighting-20
Staged in support of their 1991 album Achtung Baby, the tour visited arenas and stadiums from 1992 to 1993. It was intended to mirror the group's new musical direction on Achtung Baby. In contrast to U2's austere stage setups from previous tours, the Zoo TV Tour was an elaborately staged multimedia spectacle, satirising television and media oversaturation by attempting to instill "sensory overload" in its audience.
..Bono said the group were fascinated with the possibilities of radio and how they could be expanded using video to "beam concerts into Peking or Prague for free" or spawn "video bootlegs in cultures where it's hard to get [U2's] music"
The band developed these ideas while recording Achtung Baby in Berlin at Hansa Studios. While in Germany, they watched television coverage of the Gulf War on Sky News, which was the only English programming available at their hotel
The juxtaposition of such disparate programming inspired U2 and Achtung Baby co-producer Brian Eno to conceive an "audio-visual show" that would display a rapidly changing mix of live and pre-recorded video on monitors