Many of us take everyday sounds for granted.
The singing of birds, cars passing in the street, people talking to one another as they walk along the pavement. The wind blowing, fast trains passing and the rustling of trees.
Heck, even a stranger's mobile phone ring.
That's the question that one inquisitive individual pitched to deaf Reddit users.
Their answers will make your heart melt.
Are you deaf? What would be the one sound that you'd love to hear? Tweet us @HuffPoLifestyle and let us know.