I am an instrument capable of making numerous sound but cannot be touched or seen. What am I?

Answer: Voice

More What am I ? with answers

More What am I ?

I am an object which is used in baseball, during the day I can’t be seen at all. What am I?
I am as light as a feather, yet the strongest of men cannot hold me for more than a minute. I am with you from the day you are born to the day you die. I can be as putrid as onions and garlic, yet as pleasant as freshly picked roses. What am I?
I am at your hand when it is dark and hidden away in the light. What am I?
I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, to some people, riches. The boy at my end does whatever he wishes. What am I?
I am bigger than elephant but lighter than a feather. What am I?
I am black and white and full of fuzz. What am I?
I am black and white. I have strings I have keys. I make sound without my lips. I make dough with no flour. What am I?
I am black as night but can be filled with light. Through me things can be seen, although it is a screen. What am I?
I am black when clean and white when dirty. What am I?
I am black when you buy me, red when you use me, when I turn white. You know it’s time to throw me away. What am I?
I am black, white, and read all over. What am I?
I am bought by the yard but worn by the foot. What am I?