Howl at the Moon Bar Food, Clubs & Pubs, NEW!, Nightlife & Entertainment Howl at the MoonBar Food, Clubs & Pubs, NEW!, Nightlife & Entertainment 258 S 15th St, Philadelphia, PA 19102 215-546-4695 Website With amazing drinks and music, Howl at the Moon is truly the Dueling Piano Bar That Rocks! Howl’s entertainers perform nightly on pianos, guitars, and more in a high-energy show that never stops.