With the New Orleans Jazz and Heritage Festival not set to resume until tomorrow, those trolling about the area hankering for entertainment can check out some free music this afternoon at the Virgin Megastore. John Gros, of Papa Grows Funk fame, will be performing and then signing discs at the store from 3-4. Following fast on his heels will be Galactic which will be at Virgin from 4-5:30. A full schedule on Virgin Jazz Fest Tent signings, which will resume tomorrow on the festival grounds is available on line.