Ian Duck to Is It the Music in 13 Steps
- Ian Duck played guitar for Nilsson Schmilsson
- Nilsson Schmilsson includes bass played by Klaus Voormann
- Klaus Voormann played bass for Son of Schmilsson
- Son of Schmilsson includes guitar played by John Uribe
- John Uribe played guitar for The Lottery Song
- The Lottery Song features guitar played by Peter Frampton
- Peter Frampton played guitar for Son of Dracula
- Son of Dracula was recorded by Harry Nilsson
- Harry Nilsson wrote Mi Amigo
- Mi Amigo was written by Perry Botkin
- Perry Botkin wrote I've Got It
- I've Got It was published by Black Molasses Music
- Black Molasses Music published Is It the Music