Presentation School students Catherine Flaherty, 13; Megan James, 13; Olivia Williams, 12; Katelynn Kelly, 12; Maggie Nugent, 13; Hannah Porter, 14 and Alexandra Barber, 14, sang a mixture of religious and secular Christmas carols last week to an audience of about 20 at Vintage Sonoma. The students were accompanied by their music teacher, Lynn McArthur, on piano.