CO/OP is a up and coming DJ.Producer DUO from Philadelphia whose music is strongly influenced by Electro and Progressive House. Ronnie Rose & Jon Janerich have known each other their whole lives. This enduring kinship creates an explosive music dichotomy on stage and a brotherly partnership, which is reflected in their music and opposing images. Performed at Ultra Music Festival 2012 and 2013 and Electric Daisy Carnival Orlando 2012.