This gripping Swiss television documentary profiles a one-week course offered 1973 to learn how to be a DJ. It ends with the participants being evaluated by a 'jury' made up, it would seem, of inexpertly revivified corpses. If you pass the 'strict' test,* you're blessed with a highly official-looking 'skill certificate' which will be your golden ticket to the glamorous world of disc jockeying! (h/t LS)
* If my understanding of Swiss-accented German is accurate (never a sure thing), the test has a 'theory' component!