Common mistake
Believing a minor chord is a lower or softer version of a major one
It sounds like this
“A minor chord is just the same chord played lower down, or more quietly.”
Why it’s wrong
Play either chord at any height or volume and it keeps its colour; only the middle note's distance from the bottom decides.
The lesson that fixes it
Cognosc spots mistakes like this.
When you explain something in your own words, Cognosc can tell exactly which mistake you’re making — not just that you’re wrong — and gives you a short lesson to fix that one thing.