San Jose, CA is known for being part of the Silicon Valley, an area that has a high concentration of high-technology engineering, computer, and microprocessor companies. However, San Jose, CA is also home to many performing arts companies. These companies include Opera San Jose, Symphony Silicon Valley, Children's Musical Theater of San Jose, and many more. There are many great music events hosted throughout the year, a popular one being the San Jose Jazz Festival. The San Jose Jazz Festival just completed their Winter Fest from March 9 – 11, 2012.