Premiere: “LA” by Leah Kate

A pop-powered invitation to the Southern California city in the singer's debut music video

A debut song—and music video—can act as a mission statement for a young artist. The work sings out:, “This is what you can expect from me and I am proud of it.” For Leah Kate (aka Leah Kalmenson), her first-ever music video “LA” follows in the tradition of artists attracted to alluring cities—and yet Kalmenson diverges in that her pop prowess and active invitation are …