Klaus Voormann to March 15 in 9 Steps
- Klaus Voormann played bass for All My Life
- All My Life was produced by John Lennon
- John Lennon produced Too Many Cooks
- Too Many Cooks features guitar played by Danny Kortchmar
- Danny Kortchmar played guitar for Duit on Mon Dei
- Duit on Mon Dei includes drums played by Ringo Starr
- Ringo Starr recorded Ringo's Rotogravure
- Ringo's Rotogravure was produced by Arif Mardin
- Arif Mardin was born on March 15