“What a surprise, lovely to see you,” she said. “Um, where are the kids?” “I left them with the Sons,” deadpanned Mumford. “I wouldn’t miss this for the world.” Ever since his first time performing on SNL, Mumford said he couldn’t get the experience out of his head, so he encouraged Mulligan to get as much as she could out of it. “I meant to ask,” he continued, “did they book a musical guest for tonight? If they end up needing anyone, I’m very happy to do it.” He then pulled out his acoustic guitar, which he started strumming to the melody of his hit song, “Little Lion Man.”