Klaus Voormann to Lenny Castro in 12 Steps
- Klaus Voormann played bass for Duit on Mon Dei
- Duit on Mon Dei includes guitar played by Jesse Ed Davis
- Jesse Ed Davis played guitar for Old Dirt Road
- Old Dirt Road features piano played by John Lennon
- John Lennon wrote Blackbird
- Blackbird was written by Paul McCartney
- Paul McCartney wrote She's Leaving Home
- She's Leaving Home was sung by Harry Nilsson
- Harry Nilsson wrote Mrs. Livingston I Presume
- Mrs. Livingston I Presume was published by Six Continents Music
- Six Continents Music published One
- One by Ilona Knopfler features percussion played by Lenny Castro