| A | B |
| Literally meaning "Beautiful singing" it is a singer-dominated style practiced by Maria Callas | Bel Canto |
| Literally meaning "goddess", it is the highest accolade given a singer (even better than "prima donna") | Diva |
| These speechlike passages advance the plot of an opera | Recitatives |
| This is the "little book" that accompanies an opera | Libretto |
| This term from the French refers to any opera with spoken dialogue, not just the humorous ones | Opera comique |
| Music with voice only, meaning "as in church" | A Capella |
| An extended vocal solo, often a showcase for virtuousity | Aria |
| The male voice between bass and tenor | Baritone |
| Introduction to a large piece, such as an opera | Overture |
| A musical setting of scriptual text without costumes or action | Oratorio |