As the 24th season of the Smithsonian at Little Washington concert series comes to a close, Kenneth Slowik will perform compositions by the great Baroque composer Johann Sebastian Bach at 3 p.m. Slowik will be playing on cello and harpsichord. Tickets for the event are $25 for adults, $10 under 18. To reserve or purchase tickets, please visit TheatreWashingtonVA.com or call (540) 675-1253. The Theatre, 291 Gay Street, Washington, VA 227