Chicago to Paul Keogh in 7 Steps
- Chicago was written by John Marascalco
- John Marascalco wrote So Proud of You
- So Proud of You was written by Harry Nilsson
- Harry Nilsson wrote Mucho Mungo-Mt. Elga
- Mucho Mungo-Mt. Elga features bass played by Klaus Voormann
- Klaus Voormann played bass for Son of Schmilsson
- Son of Schmilsson includes guitar played by Paul Keogh