Rolling Stones’ singer, Mick Jagger, hosted Saturday Night Live’s season finale, and it wasn’t a downer at all. Jagger deftly participated in skits, but furthermore performed songs with Jeff Beck, Arcade Fire, and Foo Fighters. During his monologue he cheerfully poked fun at his own sense of pride; and he played “The Last Time” with Arcade Fire. But the best song of the evening, by far, had to be his bluesy take on the U.S. presidential election — which notably featured Jeff Beck on guitar.