It Had to Be You to My Girl in 8 Steps
- It Had to Be You was sung by Harry Nilsson
- Harry Nilsson sang Oh Caroline
- Oh Caroline was written by John Marascalco
- John Marascalco wrote A Man and His Castle
- A Man and His Castle was written by Scott Turner
- Scott Turner wrote Thank Heaven for Kathy
- Thank Heaven for Kathy was published by Ridgetop Music
- Ridgetop Music published My Girl