How Can I Be Sure of You to I Know in 8 Steps

1. How Can I Be Sure of You was sung by Harry Nilsson
2. Harry Nilsson wrote So Proud Of You
3. So Proud of You was covered by Vivian Roberts
4. Vivian Roberts recorded So Proud of You
5. So Proud Of You was published by Robin Hood Music Co.
6. Robin Hood Music Co. published Chicago
7. Chicago was written by John Marascalco
8. John Marascalco wrote I Know

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