Most critics would agree… By Seamus O'Sparks on February 19, 2014 — 1 min read Most critics would agree that a song about the complexity of “cross-cultural pollination” during the so called “Columbian exchange” particularly its impact on the spiritual core/cosmology of the Mexica people is indeed a fair subject for rock-n-roll. I mean, Zeppelin sang about Hobbits-right? More