I used to believe that when somebody did something really well, they were rewarded by getting to break a record (LP).
It was both fun and forbidden, so who wouldn't do something tremendous in order to break a record.
A childhood belief about sport

others believed things like this
- I used to think a world record was a record of all the people in the world singing .— JACK REGAN . [SWEENEY . ]
- I used to believe that you could only play a record once, and after that all the sound was wiped off.Anon
- I used to believe that if you played a record too many times it would wear it out.— April
- I used to believe that records were the power source for record players.— bob
- I used to think that if a mirror with me in it breaks, I break.Anon
- I used to believe that if you touched Chinese people, they would break.— Christian