Williams announces retirement

"It's time to hang my hat up and enjoy some quiet time at home. I'm so thankful for my fans, my friends and my family for their everlasting love and support," said Williams, 76.

Williams first gained musical attention as a member of the pop folk trio The Pozo Seco Singers, which had 6 pop chart hits in 1966-'67. Between 1974 and 1991, Williams and his smooth baritone had at least one hit every year, including such country standards to be as "Good Ole Boys Like Me," "Till the Rivers All Run Dry," "It Must Be Love," "I'm Just a Country Boy," "Amanda" and "I Believe in You." He also had a hit duet with Emmylou Harris on Townes Van Zandt's "If I Needed You."

Williams was the CMA Male Vocalist of the Year in 1978 and "Tulsa Time" was the ACM Record of the Year for 1979. In 2010, Williams received country music's highest honor, with his induction into the Country Music Hall of Fame.

Williams had recorded for labels including ABC/Dot, Capitol, MCA, RCA and Giant. Williams' last release was "Reflections" in 2014 on Sugar Hill Records.