Question: The Zoo TV Tour, by rock band U2, was staged in support of their 1991 album "Achtung Baby", was produced by what two people?
Sentence (from "Achtung Baby"): Stung by criticism of their 1988 release, "Rattle and Hum", U2 shifted their musical direction to incorporate influences from alternative rock, industrial music, and electronic dance music into their sound.
Relevant evidence: No