The New London Community Orchestra is performing its holiday concert and carol sing tonight - and there's a pop quiz being held in conjunction with that merry music-making event.

Diners at 10 New London restaurants can take on a trio of questions - don't worry, they're multiple choice. The first person at each site to know the answer to one of them correctly gets two tickets to tonight's concert at the Crocker House Ballroom.

The restaurants are: Dev's on Bank, Daddy Jack's, Gaspar's, Lazy Leopard, Northern Indian, The Seehund, Steaming Kettle, Thames River Beanery, Two Wives and Washington Street Coffee House. BlissworksYoga Studio is also participating.

The concert, meanwhile, features such numbers as Ralph Vaughn Williams' "Fantasia on Greensleeves," Johann Strauss, Sr.'s "Radetzky March" and a Christmas sing-along medley. Music Director David Bradley conducts.

- KRISTINA DORSEY

New London Community Orchestra, 7 tonight, Crocker House Ballroom, 35 Union St., New London; $5 suggested donation; newlondoncommunityorchestra.org.