The Checkerboard Squares’ ‘Double Cookin’’ is a byword for the northern soul all-nighters of the 70s, when hundreds of dancers would hit the beat and clap in unison to the spirited instrumental. Our discovery of two vocal versions of the song shook the rare soul world in the noughties. Here we feature the Tandels’ all-girl take on a song they had previously recorded to a more basic arrangement on the obscure Jam-Cha label.