Jimmy Calvert to Chicago in 9 Steps

1. Jimmy Calvert played guitar for You're Sixteen
2. You're Sixteen has backing vocals by Harry Nilsson
3. Harry Nilsson wrote I Know
4. I Know was published by Robin Hood Music Co.
5. Robin Hood Music Co. published So Proud of You
6. So Proud of You was recorded by Vivian Roberts
7. Vivian Roberts recorded So Proud of You
8. So Proud of You was written by John Marascalco
9. John Marascalco wrote Chicago

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