Robert Pete Williams (March 14 1914 - December 31 1980) was an American blues musician, based in Louisiana. His music characteristically employs unconventional blues tunings and structures, and his songs are often about the time he served in prison. His song "I've Grown So Ugly" has been covered by Captain Beefheart, on his album "Safe as Milk" (1967), and by The Black Keys, on "Rubber Factory" (2004). Wikipedia
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