Ludwig Gerber to Jim Gordon in 13 Steps
- Ludwig Gerber represented Peggy Lee
- Peggy Lee recorded Think About Your Troubles
- Think About Your Troubles was published by EMI
- EMI published The World Is Coming To An End
- The World Is Coming To An End was written by Harry Nilsson
- Harry Nilsson wrote Do You Wanna (Have Some Fun)
- Do You Wanna (Have Some Fun) was written by John Marascalco
- John Marascalco wrote Chicago
- Chicago is the birthplace of Jane Getz
- Jane Getz played piano for Loop de Loop
- Loop de Loop was produced by John Lennon
- John Lennon executed the mix down for Bongo Rock '73
- Bongo Rock '73 features drums played by Jim Gordon