Tucson Junior Strings
- Six orchestras that range in expertise from the recent beginner to the semi-professional, playing in a chamber music style.
- http://www.tucsonjuniorstrings.org/

West Valley Youth Orchestra
- [Arizona] Offering young talented musicians in the western Valley of the Sun (Phoenix AZ metro area) an opportunity for a year of intensive orchestra training and exciting musical performances.
- http://aztec.asu.edu/wvyo/

Tucson Philharmonia Youth Orchestra
- Includes musicians from local middle schools through community colleges.
- http://www.tpyo.org/