Kiwanuka's vocals only kick in after a five-minute guitar-led instrumental. He said: "I've always liked soul music from the '70s like Isaac Hayes and Funkadelic. A lot of it is really patient - 'Maggot Brain
' slowly evolves, 'Walk On By' slowly builds. They're like suites, but it's hard to come up with that with just acoustic guitar. (Writing) in the studio at the same time as recording you've got keyboards, guitars, effects, electric guitars, so you can really go to town with long structures and passages."