April 29 to Arif Mardin in 5 Steps
- April 29 is the birthday of Klaus Voormann
- Klaus Voormann played bass 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