Voice (and timing and presence) to die for. Londoner born and bred. Westminster Abbey chorister. West End musical theatre actor. Ergo the song bursts. Anything else (apart from the new baby)? For sure: we’re dialling up quick blasts on his trumpet! But no need to take my word for it. Judge for yourself. Listen to this. Just 38 seconds, it’s a guiding tour de force. It’s Oliver opening his Jack the Ripper walk.