Jeff Lucci & Josh Aptner form an excitingly intricate duo as Air is Human, tonight at Milkboy Philly. The band develops layered ambiance, which frequently changes shape over the course of a song. This free-form experimental element is often associated with tempo alterations, shifting the pace in a manner that suggests and provokes sonic scenery climate changes as what appeared like clear skies ushers in an ominous storm or vice versa. We’re easily overwhelmed by the weather; however, in this case, breathe it in. The gloomy rock/folk combination of The Rivals (who released a new song “Confessor”) set the ball rolling. After releasing a fresh EP earlier this week, aptly titled New Year, Brooklyn shoegazers Lazyeyes headline. Milkboy Philly, 1100 Chestnut St., 8:30pm, $10, 21+ – Michael Colavita