Bob Corff to Irving Music 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 sung by Harry Nilsson
- Harry Nilsson wrote I'd Do It All Again
- I'd Do It All Again was published by Irving Music