| Business | Phone |
| Radius Ensemble Boston 2116 | (617) 792-7234 |
| Chorus Pro Musica 645 Boylston St, Boston 2116 | (617) 267-7442 |
| Collage New Music Po Box 230150, Boston 2123 | (617) 325-5200 |
| New England Conservatory-Music 290 Huntington Ave, Boston 2115 | (617) 585-1100 |
| Majestic Brass 325 Huntington Ave # 11, Boston 2115 | (617) 733-6391 |