The Bay View Academy Chamber Ensemble, led by Christine Kavanugh of Barrington, sang last weekend outside Daisy Dig'ins Florist and Gifts on Maple Avenue as part of the annual Festival of Lights ceremony in Barrington. Tomorrow, Sunday, Dec. 9, the Lower School choir will perform at 12:30 pm and the Middle School and Upper School choirs will perform at 3 pm as part of a Christmas concert and theatrical reading by advanced-theater students of Charles Dickens' 'A Christmas Carol' at the school at 3070 Pawtucket Ave. in East Providence. The performances are free and open to anyone.