| Business | Phone |
| Allegro Quartet 7349 N Via Paseo Del Sur # 154, Scottsdale 85258 | (480) 948-1866 |
| Resonances Inc 28412 N 97th Way, Scottsdale 85262 | (480) 502-9243 |
| Phoenicians Barber Shop Chorus 4238 N 84th Pl, Scottsdale 85251 | (480) 947-7464 |
| Desert Chamber Musicians 4120 N Marshall Way # 3, Scottsdale 85251 | (480) 949-8739 |