Well, it had to happen. At some point the Gods (or, in this case, the Tico Torres Tombola of Topics and Themes) were going to decree that the lads had gorged on the swollen nipples of the Seventies and Eighties for long enough and the time had come to teach them that there was a dark and forbidding world beyond the mascara, moogs and mellotrons that had cocooned them on their circumnavigation of rock’s monuments thus far.