Sisters Shelby Lynne and Allison Moorer perform together in only five cities on this fall's Side by Side Tour. Area alt-country fans, consider yourselves lucky. Monday, Nov. 29, and Tuesday, Nov. 30, at 7:30 p.m. The Birchmere, 3701 Mount Vernon Ave., Alexandria. Tickets are $35. Call 703-549-7500 or visit birchmere.com.