My uncle had an song book with "Home on the Range" in it. I'd never come across the word "seldom" before, so when it came to the line "where seldom is heard a discouraging word" I thought this meant that there was this rural idyll "where the deer and the antelope play" but someone kept coming along and spoiling it by saying "seldom", which was "a discouraging word" (perhaps because no one knew what it meant.
A childhood belief about songs

others believed things like this
- For years I heard the word "pedophile" and thought it meant a pedicurist's tool.— Lauren
- In first grade, I thought that if I've never heard of a word before, then it wasn't a word.— Destiny
- I used to believe that "nuptial" was a naughty word. I thought it meant nipple. XD— Sara Hagen
- my husband believed, until recently, that the word "several" meant seven of something. — sheryl
- i used to think the word "friendship" meant a special kind of rocketship that you went on with your friends.— chips ahoy!
- I fully believed, up until about 6 years old, that the word 'accident' was a noun that meant 'burnt toast'.— Karl Goetz