Kristofer Engelhardt to Elvis Costello in 6 Steps
- Kristofer Engelhardt wrote Beatles Undercover
- Beatles Undercover includes a chapter on Harry Nilsson
- Harry Nilsson produced Never Say Goodbye
- Never Say Goodbye was written by Yoko Ono
- Yoko Ono wrote Walking on Thin Ice
- Walking on Thin Ice was covered by Elvis Costello