The 2010 Smooth Jazz Christmas -- the 13th edition of the tour -- features gay saxophonist Dave Koz alongside South African singer/guitarist Jonathan Butler, keyboardist Brian Culbertson and Dutch saxophone star Candy Dulfer. They'll perform hits from their respective repertoires as well as holiday standards. A co-presentation with Blues Alley. Tonight, Monday, Dec. 6, at 8 p.m. Music Center at Strathmore, 5301 Tuckerman Lane, North Bethesda. Tickets are $35 to $65. Call 301-581-5100 or visit strathmore.org.