Susan Valot/KQED
Every year in the month of December, players of the tuba, and its cousins the euphonium, baritone and sousaphone, gather for a seasonal mass concert known as "Tuba Christmas." California hosts nine separate Tuba Christmas events. The one at Disney is the biggest, but the one in Los Angeles is the oldest -- it's been going for 37 years. Reporter: Susan Valot
Liz Reid/KQED
In another installment in our series on volunteers in California, "The Giving State," we meet Jason Young, a technology entrepreneur from Oakland who started a program that teaches software development and business skills to inner-city youth. Reporter: Liz Reid