2015 Conductor Dr. Bill Harrington with YOSAC at California State University East Bay
YOSAC at Stoneridge Shopping Center 12/15
2015 YOSAC Horizons Ensemble Group and Conductor Bill Harrington performing at the South Hayward 4th of July Celebration, Chavez Middle School.
2015 Conductor Dr. Bill Harrington, Ensemble Group and Hayward City Council Member Francisco Zermeño
2014 YOSAC and Conductor Heidi Dahms perfoming at Eden United Church of Christ , Hayward California.