| Business | Phone |
| Goodrich Vocal Studio 3760 Cahuenga Blvd, Studio City 91604 | (818) 766-3030 |
| Mike Campbell Musician Vocal Studio City 91604 | (818) 505-1029 |
| Sabine Voice Strengthening Spc 4151 Tujunga Ave, Studio City 91604 | (818) 761-6747 |
| School Of The Natural Voice Studio City 91604 | (818) 506-8146 |
| Singing For A Living 4012 Colfax Ave, Studio City 91604 | (818) 752-0833 |