Chicago to Let The Good Times Roll in 8 Steps

1. Chicago was published by Robin Hood Music Co.
2. Robin Hood Music Co. published So Proud of You
3. So Proud of You was written by John Marascalco
4. John Marascalco wrote A Man and His Castle
5. A Man and His Castle was sung by Harry Nilsson
6. Harry Nilsson wrote I'll Never Leave You
7. I'll Never Leave You was produced by Richard Perry
8. Richard Perry produced Let The Good Times Roll

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