My hobby Hello! today I will talk about my hobby, playing the piano! It's important to have correct posture when you play It. If you have incorrect posture, it will sound bad when you play it. There are three main points,First sit down in an upright position and stretch your elbows. Second, adjust the height of the chair. Last, don't use your thumb when you play the black keys.If you follow this advice, It will sound great. I've told you about correct posture.