Delaney & Bonnie were an American duo of singer-songwriters Delaney Bramlett and Bonnie Bramlett. In 1969 and 1970, they fronted a rock/soul ensemble, Delaney & Bonnie and Friends, whose members at different times included Duane Allman, Gregg Allman, Eric Clapton, George Harrison, Leon Russell, Bobby Whitlock, Dave Mason, Rita Coolidge, and King Curtis.