Guitarist, singer and songwriter Dickey Betts was a founding member of the Allman Brothers Band. He's pictured on May 19, 2014, in Nashville, Tenn. Rick Diamond/Getty Images for Webster PR hide caption toggle caption Rick Diamond/Getty Images for Webster PR Obituaries Dickey Betts, founding member of the Allman Brothers Band, dies at 80 April 18, 2024 • The influential guitarist, songwriter and singer was best known for the song "Ramblin' Man." Betts's blues, rock and country-influenced guitar style helped define Southern rock in the 1960s and '70s.