FREE! August 20 -- The Summit Big Band has entertained dancing crowds at the Gallivan Center for over a decade with full arrangements of popular classics. Dance lessons at 7:00 pm, Music at 7:30. 801-535-6110 gallivanvenue@slcgov.com The Gallivan Center is handicapped accessible from the north and west entrances, with elevators available from the south. The venue occupies the Central Plaza in the middle of the block between Main Street, State Street, 200 South and 300 South in Downtown Salt Lake City.