Home Jambase Allman Brothers Band Co-Founding Member Gregg Allman 1947 – 2017National Music NewsJambaseMusic[UPDATED] Allman Brothers Band Co-Founding Member Gregg Allman 1947 – 2017May 27, 2017207FacebookTwitterPinterestWhatsApp Alllman Brothers Band keyboardist/vocalist Gregg Allman has died at age 69.