Hallowpalooza: A semi-annual music event spanning nearly a decade and always featuring a variety of area bands and musical styles from Western Pennsylvania

Hallowpalooza 1999, Hallowpalooza 5, Hallowpalooza, 1999, Halloween, The Mad Cows, Mad Cows, 3 Days of Darkness, Geeker, Happyface, Sledge, SLeDGE, Aneurysm, Starch, Polemic, Vinyl, Vinal, 3 Bean Soup, Open Soul, Noise Buffet, Telefunkin Two Tones, Entropy, Bob, Three, Pennsylvania, PA, HP 1999, HP 5