Reynolds contributed "Box", "Mary", and "No Traffic". "Mary" particularly impressed Stevenson: "When I heard 'Mary', I was just like 'I want that song. That’s an All song, he recalled. "When he brought the song in," said bassist Karl Alvarez, "he had a guitar, and I think it had three strings on it or something. He literally played that bass figure, basically it's the single note in bass bar." Though the song is credited solely to Reynolds, guitarist Stephen Egerton wrote the guitar parts: