Don Calfa to Louis Armstrong in 7 Steps
- Don Calfa appears in Me Myself and I
- Me Myself and I was published by Black Molasses Music
- Black Molasses Music published Mexico City
- Mexico City was written by 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 Louis Armstrong