| Business | Phone |
| Agoraphone 401 Broadway # 1606, New York 10013 | (212) 966-2790 |
| Chiu's Musical Studio 133 Canal St, New York 10002 | (212) 343-2602 |
| Tra Productions Inc 23 W 73rd St # 109, New York 10023 | (212) 245-6112 |
| Nordoff-Robbins Music Therapy 82 Washington Sq E, New York 10003 | (212) 998-5151 |