Ona's Music Room is neatly tucked into the 400 block of 20th St. South. Judging from the outside, a passerby might think it's a small place but it's proof of the axiom, "appearances can be deceiving." The inside is comfortably large, with table seating for perhaps 100 people and another dozen or so seats at the bar. The room is done in mostly black. Black walls, ceiling, chairs, and...