Pink Floyd‘s In the Flesh Tour should be remembered for musical reasons: After all, it’s the only time they performed a full version of 1977’s Animals, their hard-hitting and political rock opus. Instead, it’s famous for everything else: the inflatable pigs, the sheer size of the gigs and, most notably, the artist/fan disconnect that inspired their classic follow-up concept album. The trek kicked off Jan. 23, 1977 — the day of Animals‘ release — with a European run that stretched through late March. Their North American leg, shorter but much more notorious, launched on April 22 at the Miami Ba…