Harry Nilsson to Indigo Girls in 5 Steps
- Harry Nilsson produced Frankenstein, Merlin & The Operation
- Frankenstein, Merlin & The Operation was produced by Ringo Starr
- Ringo Starr played drums for Drumming is My Madness
- Drumming is My Madness features drums played by Jim Keltner
- Jim Keltner played drums for Indigo Girls