Jem Aswad Senior Music EditorGrammy nominated rapper Jack Harlow, Variety’s Hitmaker cover star, dropped what is presumably the first single from his next album late Thursday: “Nail Tech,” his first new solo release since his major-label debut album “That’s What They All Say,” released 14 months ago.Just hours after it dropped Kanye West took a break from promoting his new streaming service to give the song and Harlow a big (if loaded) cosign: “This n—a can raaaaaaap bro,” West wrote on Instagram. “And I’m saying n—a as a compliment Top 5 out right now.” (Hear the song and watch the video below.)Harlow was quick to respond with effusive thanks.