Debi Derryberry to Unison Ad in 6 Steps
- Debi Derryberry recorded Little Cowboy
- Little Cowboy was produced by Rick Jarrard
- Rick Jarrard produced She Sang Hymns Out of Tune
- She Sang Hymns Out of Tune was sung by Harry Nilsson
- Harry Nilsson wrote One
- One is heard in Unison Ad