| Business | Phone |
| D C Music Ctr 16th & Harvard St Nwamp;, Washington 20009 | (202) 265-8324 |
| Benaglia Music Studio 1837 19th St Nw, Washington 20009 | (202) 234-1837 |
| D C Youth Orchestra 6315 5th St Nw, Washington 20011 | (202) 723-1612 |
| Regis Ferruzza 806 15th St Nw, Washington 20005 | (202) 737-7864 |
| Levine School Of Music 2801 Upton St Nw, Washington 20008 | (202) 686-8000 |
| Levine School Of Music 3303 Stanton Rd Se # B, Washington 20020 | (202) 610-2036 |
| Musical Associates 1719 35th St Nw, Washington 20007 | (202) 298-3200 |
| New Sewell's Music Consrvtry 712 Kennedy St Nw, Washington 20011 | (202) 722-5361 |
| Regis Ferruzza Music Studio 2900 Connecticut Ave Nw, Washington 20008 | (202) 265-3915 |
| Suzuki Assocation-Washington 7717 14th St Nw, Washington 20012 | (202) 723-1237 |
| Woodwind Studio 1830 R St Nw, Washington 20009 | (202) 667-7277 |