Surprised noone has commented on this, hope y'all aren't missing out on it! They talk about all sorts from Gabriel Yared to sunshine to the Surreal Carnival experiment. Turns out the Dark Train dance number was thrown together in less than hour, and Karl had no idea it was even going to happen until they came out on stage. From there they segue on to talking about getting held back from the stage due to lack of badges mid-set.