| Abbreviation | Definition |
|---|---|
| MTI | Music Theatre International |
| MTK | More Than Karaoke |
| MTLA | Music Technology Leadership Academy |
| MTM | Making The Music |
| MTM | Musicians Teaching Musicians |
| MTMA | Mid Town Music Academy |
| MTMA | Musical Treasures from Moravian Archives |
| MTMB | (Mario) The Music Box |
| MTMB | Manheim Township Marching Band |
| MTMU | music takes me up |
| MTMV | Mark Tonin's Music Vortex |
| MTN | Music Trending Now |
| MTNA | Music Teachers National Association |
| MTO | Music Theatre Overtures |
| MTP | Music Therapy Perspectives |
| MTSP | Music Technology and Sound Production |
| MTSP | Music Therapy St Pete |
| MTT | Musical Think Tank |
| MTV | Music Tele Vision |
| MTV | Musicians' Television Vision |