April 13 to Caveman in 6 Steps
- April 13 is the birthday of Lowell George
- Lowell George played guitar for Flash Harry
- Flash Harry includes drums played by Jim Keltner
- Jim Keltner played percussion for Duit on Mon Dei
- Duit on Mon Dei includes drums played by Ringo Starr
- Ringo Starr starred in Caveman