Gregg Allman, a founding member of the Allman Brothers Band, which helped shape the Southern rock genre, has died. The artist’s publicist said the cause was complications from liver cancer. He was 69. Allman was the band’s lead singer and keyboardist from Nashville, Tennessee. He started his music career as group the Allman Joys in the mid 1960s with his brother Duane Allman. They eventually regrouped as the Allman Brothers Band, settling in Georgia. The group hit mainstream success in the 1970s with their album Brothers and Sisters. Allman married musician and actress Cher in 1975 and had a son Elijah Blue Allman one year later. The singer had a successful solo career, reunited with the Allan Brothers for a time, and recently released a solo album called Low Country Blues in 2011. His final album Southern Blood will be released this year.