Mariana de Miguel started her musical journey as part of a high-school disco band collective in Mexico City before branching into the solo R&B that has made her name as Girl Ultra. And it shows: For every sultry vocal or laidback groove, there’s also a rolling bass line and a club-ready beat. Her music is about secret liaisons and heady feelings—in an NPR interview, she described “BOMBAY” as representing “that feeling of hitting things off with a stranger at a party and running off to a corner together”.