Jim Keltner to Donald "Duck" Dunn in 9 Steps
- Jim Keltner played drums for Bob Dylan
- Bob Dylan wrote Subterranean Homesick Blues
- Subterranean Homesick Blues was produced by John Lennon
- John Lennon wrote Mother Nature's Son
- Mother Nature's Son was sung by Harry Nilsson
- Harry Nilsson sang It's So Easy
- It's So Easy was produced by Steve Cropper
- Steve Cropper produced Flash Harry
- Flash Harry includes bass played by Donald "Duck" Dunn