The jazz-infused improvisational funk-rock band Isaac Hadden Project out of Asheville, North Carolina, will perform outdoors at 6:30 p.m. Saturday at Flat Iron Crossroads, Gloucester. Short Lane Ice Cream will serve dinner and dessert beginning at 5:30 p.m. Beer, wine, seltzers, and soda will be available for purchase. Tickets are $20 and are available at the door or online at flatironcrossroads.com. The band combines fresh, grooving original material with unique cover tunes, tying it all together with tight, dynamic improvisation, said a press release. Shown is the band’s namesake, guitarist Isaac Hadden....