Chicago to Simon and Garfunkel in 10 Steps
- Chicago was published by Robin Hood Music Co.
- Robin Hood Music Co. published So Proud of You
- So Proud of You was written by Harry Nilsson
- Harry Nilsson recorded Son of Schmilsson
- Son of Schmilsson includes piano played by Nicky Hopkins
- Nicky Hopkins played piano for Old Dirt Road
- Old Dirt Road features piano played by John Lennon
- John Lennon produced Mucho Mungo-Mt. Elga
- Mucho Mungo-Mt. Elga features drums played by Jim Keltner
- Jim Keltner played drums for Simon and Garfunkel