A special free family music program sponsored by the Friends of the Carmel Valley Library will be presented on Tuesday, July 31, at 7 p.m. in the library’s community room. It will feature Coterie Celli, a group of cellists from all over San Diego who enjoy coming together to make and share beautiful cello-ensemble music. The group is under the Greater San Diego Music Coterie, founded by Dr. Angela Yeung, who has performed nationally and internationally as a conductor and a cellist. The program will include a mix of original works and arrangements for cello ensemble, from Latin tunes to classical pieces. It will last 45 minutes. The library is located at 3919 Townsgate Drive in Carmel Valley. For more information, call (858) 552-1668.