Dr. John to Harry Ruby in 8 Steps
- Dr. John is name checked by Life is a Rock
- Life is a Rock name checks Richard Perry
- Richard Perry produced My World
- My World is an album by Ray Charles
- Ray Charles is one of many artists that recorded It Had to Be You
- It Had to Be You was arranged by Gordon Jenkins
- Gordon Jenkins arranged Nevertheless (I'm In Love With You)
- Nevertheless (I'm In Love With You) was written by Harry Ruby