If there ever was an ars poetica for house music, it might be the one articulated by Chuck Roberts that Larry Heard incorporated into a 1988 remix of his own groundbreaking single “Can You Feel It” (1986). Roberts’s proclamation is a nearly two-minute-long origin story delivered in sermonic fashion featuring a figure named Jack: “In the beginning there was Jack, and Jack had a groove.” Roberts describes house music being born with an utterance by Jack, just as the Judeo-Christian God named the world into being, before announcing: “And in my house there is only house music. But I am not so selfish because once you enter my house, it then becomes our house and our house music.” The slightly modified “Because once you enter my house it becomes our house” is one of many phrases derived from dance-music tracks that Jeffrey Gibson incorporates into the paintings, sculptures, and beaded weavings featured in his exhibition “I AM A RAINBOW TOO.” Some, such as “Last night a dj saved my life,” will be recognizable to casual dance-music listeners; others require deeper digging in the crates (or lots of googling). Gibson’s exhibition title is also shared with its opening work, a series of …