Free concerts will return to Downtown Evansville’s most unique venue beginning in May. The Arts Council of Southwestern Indiana announced the schedule for its outdoor concert series “On The Roof” Tuesday. The free summer performances take place on the Arts Council’s Rooftop Art Deck in Downtown. The Arts Council’s Rooftop Art Deck is an open-air venue that features views overlooking Main Street in Downtown and artist-designed furniture. In addition to hosting concerts, the roof is also used for meetings, party rentals and other special events. Performances are 7-10 p.m. All shows are free and open to all ages.