system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: How come I can sing really well in the shower or in my car, but when I sing anywhere else I sound like a dying cat?
gpt
Simply, the sound waves from your singing will bounce off of all the hard surfaces in the shower. This causes an effect known as a "reverb". This reverb levels out your pitch and fills out dead spots or uneven tones in your singing.