Civic Orchestra of Tucson: Community orchestra offering free concerts: includes concerts, history, contact information.
San Marcos Symphony: Offers free concerts in the eastern metro Phoenix area. Includes concert schedule, symphonic programs, membership details, roster and player opportunities. Based in Chandler.
Sierra Vista Symphony Orchestra: Membership supported symphony: includes concert calendar, support activities, history.
Southern Arizona Symphony Orchestra: (Tucson) Concert calendar, season ticket information.