If you've got a good vibrato, you can get away with a lot.

Port of Call: New Orleans (2009). His father a farmer taught him to play basic blues harp as a youth. He sustained injuries to his eyes and lost his sight by the time he was 16 which prevented him from doing farm work himself.

He was widely known for his energetic blues harmonica style which frequently included vocal whoops and hollers and imitations of trains and fox hunts. Saunders Terrell better known as Sonny Terry (24 October 1911 - 11 March 1986) was a blind American Piedmont blues musician.