The orchestra was founded in 1991 by Carolyn Waters Broe .
The orchestra was started with its first performance in January 1992 at Phoenix Civic Center with an audience of 2,000 people at the first MLK Arts and Education Concert on Arizona 's first MLK Day .
The orchestra was founded in 1991 by Carolyn Waters Broe and started with its first performance in January 1992 at Phoenix Civic Center with an audience of 2,000 people at the first MLK Arts and Education Concert on Arizona 's first MLK Day .