Paul McCartney to Donald "Duck" Dunn in 8 Steps

1. Paul McCartney wrote Blackbird
2. Blackbird features guitar played by Bill Martin
3. Bill Martin wrote The Door into Summer
4. The Door into Summer features guitar played by Michael Nesmith
5. Michael Nesmith played guitar for Rainmaker
6. Rainmaker was produced by Harry Nilsson
7. Harry Nilsson recorded Flash Harry
8. Flash Harry includes bass played by Donald "Duck" Dunn

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