The Door into Summer to Perry Como in 7 Steps
- The Door into Summer was written by Bill Martin
- Bill Martin played guitar for Blackbird
- Blackbird was written by Paul McCartney
- Paul McCartney produced Mary Hopkin's recording of The Puppy Song
- The Puppy Song was recorded by Astrud Gilberto
- Astrud Gilberto recorded Don't Leave Me
- Don't Leave Me was covered by Perry Como