| Business | Phone |
| Sylke Music 859 Massachusetts Ave, Cambridge 2139 | (617) 876-7955 |
| Blackstone Entertainment 36 Bay State Rd, Cambridge 2138 | (617) 491-0719 |
| Bobo The Clown 1753 Massachusetts Ave, Cambridge 2140 | (617) 576-9728 |
| Boston Early Music Festival 161 1st St # 202, Cambridge 2142 | (617) 661-1812 |
| Sol Y Canto 199 Pemberton St, Cambridge 2140 | (617) 492-1515 |
| Meridith West Cambridge 2138 | (617) 491-6543 |
| Conductors' Cooperative Mgmt 1208 Massachusetts Ave # 8, Cambridge 2138 | (617) 876-0934 |
| Liber Unusualis 12 High St, Cambridge 2138 | (617) 320-1937 |
| Don Hemwall 28 Seven Pines Ave, Cambridge 2140 | (617) 497-4266 |