Chicago to September 4 in 6 Steps
- Chicago was written by John Marascalco
- John Marascalco wrote So Proud of You
- So Proud of You was covered by Vivian Roberts
- Vivian Roberts recorded So Proud of You
- So Proud of You was written by Harry Nilsson
- Harry Nilsson joined Ringo's All-Starr Band on-stage on September 4