Conversation so far:
What is one technique used by disc jockeys?
Club DJ turntable techniques include beatmatching.
What is cueing as it relates to disc jockeys?
To cue audio is to determine the DJ's desired initial playback point in a piece of recorded music.
How do disc jockeys learn their techniques?
In the past, being a DJ has largely been a self-taught craft.

Question: Do they go to school to learn how to DJ?
Self-contained rewrite: Do disc jockeys go to school to learn how to disc jockey?