SKYLAR STECKER HOMETOWN: Middleton, Wisc. INFLUENCES: Beyoncé, Bruno Mars, Ne-Yo ALBUM: Firecracker, out now WEBSITE: skylarstar.com At just 12 years old, Skylar Stecker has a vocal range and a drive to succeed that rivals artists twice her age. Daughter of former NFL running back Aaron Stecker, she wrote her first song in the third grade, the same year she made her onstage debut at a hometown talent show. “That’s when I knew music was what...