Motormouth.
Singing is singing. And if its a fast kind of talk of singing its most probably a rap.
this person is called a mime.
Mute
"When one needs fast money, a good person to talk to would be a credit counselor. A credit counselor can educate you on how to come out of debt and avoid future debt."
None of us can talk when we are born- but a person that is unable to speak is mute.
Chatroulette or Omegle
this person is called a mute.
in Australia there is a person called zac and he drives reallY FAST.
To talk fast.
People may talk fast due to excitement, nervousness, impatience, or a desire to convey a lot of information quickly. Talking fast can also be a cultural or individual communication style.
There's a program called an auto-typer, you can use to talk really fast in runescape, however the use of these are against the rules so use at your own risk.
Also is going to talk -- The auctioneer is going to talk fast