The Allman Brothers Band were an American rock band formed in Jacksonville, Florida, in 1969. They are considered pioneers of Southern rock, blending blues, jazz, and extended improvisational jams with rock structures. The classic lineup included Duane Allman, Gregg Allman, Dickey Betts, Berry Oakley, and the Trucks brothers. Their live album At Fillmore East is regarded as one of the greatest live recordings in rock history. Songs like Whipping Post and Ramblin’ Man showcase their musical range. Their style emphasized dual lead guitars and long improvisations, influencing jam bands and rock musicians for decades.