April 16 to Signs in 11 Steps
- April 16 is the birthday of Perry Botkin
- Perry Botkin (the elder) played guitar for Bing Crosby
- Bing Crosby is one of the many artists that recorded Makin' Whoopee!
- Makin' Whoopee! was recorded by many artists including Ella Fitzgerald
- Ella Fitzgerald recorded Open Your Window
- Open Your Window was arranged by George Tipton
- George Tipton arranged Without Her
- Without Her was covered by Glen Campbell
- Glen Campbell played guitar for Bongo Rock
- Bongo Rock was arranged by Harry Nilsson
- Harry Nilsson wrote Signs