Bob Corff to Mary Hopkin in 6 Steps
- Bob Corff was a member of The Purple Gang
- The Purple Gang was managed by Tony Richland
- Tony Richland inspired the name of Mr. Richland's Favorite Song
- Mr. Richland's Favorite Song was published by Unichappell Music
- Unichappell Music published The Puppy Song
- The Puppy Song was covered by Mary Hopkin