Mark Hudson to What Can I Do in 7 Steps
- Mark Hudson produced Harry's Song
- Harry's Song was produced by Ringo Starr
- Ringo Starr produced Frankenstein, Merlin & The Operation
- Frankenstein, Merlin & The Operation was produced by Harry Nilsson
- Harry Nilsson wrote I'd Do It All Again
- I'd Do It All Again was published by Irving Music
- Irving Music published What Can I Do