Caleb Followill. Caleb Followill was 25 in Kings of Leon Live at the Hammersmith Apollo, London Jared Followill. Jared Followill was 20 in Kings of Leon Live at the Hammersmith Apollo, London Aaron Grosky. Aaron Grosky was >> in Kings of Leon Live at the Hammersmith Apollo, London as 'Producer'Kevin Wall. Kevin Wall was >> in Kings of Leon Live at the Hammersmith Apollo, London as 'Producer'Emer Patten. Emer Patten was >> in Kings of Leon Live at the Hammersmith Apollo, London as 'Producer'Andy Derbyshire. Andy Derbyshire was >> in Kings of Leon Live at the Hammersmith Apollo, London as 'Producer'John Gaydon. John Gaydon was >> in Kings of Leon Live at the Hammersmith Apollo, London as 'Producer'Nicholas Jacobovitz. Nicholas Jacobovitz was >> in Kings of Leon Live at the Hammersmith Apollo, London as 'Producer'