The musician’s “I Keep on Thinking Bout You Every Single Day and Night” follows “Rock Music” and is only available via vinyl and on Instagram Charli XCX is obsessed in her latest song drop, and now, so are we. In a black-and-white video accompanying the arrival of “I Keep on Thinking Bout You Every Single Day and Night,” Charli grooves up and down hallways and staircases, before arriving in a dance studio where she prowls, poses, and drops some sultry choreography. As she locks eyes with the camera throughout, the clip mirrors the melodic, sapphic bop’s lyrics of an inescapable fixation that lingers 24/7. “Maybe we can become each other?” she sings in the opening line.…