| Abbreviation | Definition |
|---|---|
| ETA | Epileptic Terror Attack |
| ETF | Emery, Tieber, and Friends |
| ETF | End The Fate |
| ETI | Ensemble Training Intensive |
| ETKF | Ensemble Transform Kalman Filter |
| ETM | Expose The Music |
| ETO | English Touring Opera |
| ETS | Electricians Theme Song |
| ETSO | East Tennessee Symphony Orchestra |
| ETSO | East Texas Symphony Orchestra |
| ETWC | Enter The Worship Circle |
| EUB | Electric Upright Bass |
| EUCB | Exeter University Concert Band |
| EUM | Escuela Universitaria de Música |
| EUSO | Edinburgh University String Orchestra |
| EVBL | Endoscopic variceal band ligation |
| EVBS | Ensemble vocal du Boischaut sud |
| EVE | Electronic Vintage Ensemble |
| EVE | The Ethnic Vocal Ensemble |
| EVOL | Evolution |