For 15 years, the Mill Valley Philharmonic has been sharing classical works and premiering original orchestral pieces through free concerts open to all. This weekend, the orchestra is very busy with a concert and gala celebration. First, the MVP performs its latest program, “Fate Knocks,” with movements from Beethoven’s famous Fifth Symphony as well as Tchaikovsky’s Symphony No. 4 and others highlighting the evening. Then, the MVP hosts the 15th Annual Gala Celebration with food, fun and music by the orchestra. “Fate Knocks” is performed on Saturday, March 14, at Angelico Hall, Dominican University, 50 Acacia Ave., San Rafael. 2pm. Free. The Gala takes place on Sunday, March 15, at Mill Valley Community Center, 180 Camino Alto, Mill Valley. 2pm. $100. 415.383.0930.