Mack Gordon to I Know in 9 Steps
- Mack Gordon wrote I Know Why
- I Know Why was sung by Harry Nilsson
- Harry Nilsson sang A Man and His Castle
- A Man and His Castle was written by John Marascalco
- John Marascalco wrote So Proud of You
- So Proud of You was recorded by Vivian Roberts
- Vivian Roberts recorded So Proud of You
- So Proud of You was published by Robin Hood Music Co.
- Robin Hood Music Co. published I Know