How did bo diddley become a musician?

Practice and rehearsing

Bo Diddley is one of the pioneering blues guitar players. See if you can google for a picture of his guitar. I believe it was made out of a cigar box, and he still uses it.

There is the old joke that fits this question. The answer to it is the same as to your question: Practice, man... Practice.

http://www.bukisa.com/articles/161612_how-to-become-a-musician

There are only three routes to becoming a better musician. 1. Learn your theory well. 2. Practice, practice, practice. 3. Watch and listen to your favorite musicians perform by attending live...