Conversation so far:
What was Billys first job?
Craddock's first release was "Smacky-Mouth", which was recorded in 1957 for the local Greensboro Sky Castle label.
how old was he?
CANNOTANSWER.
How did smacky mouth do?
CANNOTANSWER.
did it have a hit anywhere?
He did, however, become very popular in Australia.
What did he do after that release?
In 1959, Craddock traveled to Australia with Bobby Rydell, The Everly Brothers, Santo and Johnny, and The Diamonds.

Question: what did he do with them?
Self-contained rewrite: what did Billy "Crash" Craddock do with Bobby Rydell, The Everly Brothers, Santo and Johnny, and The Diamonds?