| Opera house highlight | 21 |
| Opera high spot | 15 |
| Opera favorite | 14 |
| Opera CD track | 14 |
| Opera buff's subject | 24 |
| Opera bit | 9 |
| Opera ... coloratura ... "Eri tu" | 43 |
| Opera piece | 12 |
| One may be murdered by a bad tenor | 34 |
| Often dramatic number | 21 |
| Offering from the fat lady? | 27 |
| Offering from Pavarotti | 23 |
| Offering at the Met | 19 |
| Number for Nilsson | 18 |
| Number for a diva | 17 |
| Notes from a diva | 17 |
| Musical solo | 12 |
| Musical highlight | 17 |
| Music for Mimi | 14 |
| Munsel forte | 12 |
| Mozart's "Porgi amor" | 35 |
| Mozart's "Dove sono" is one | 41 |
| Mozart's "Dalla sua pace," e.g. | 45 |
| Mother of Miletus | 17 |
| Moffo solo | 10 |
| Moffo delivery | 14 |
| Mills or Sills solo | 19 |
| Millo specialty | 15 |
| Millay's "___ da Capo" | 36 |
| Mezzo's tune | 16 |
| Mezzo's solo | 16 |
| Mezzo's melody | 18 |
| Met selection | 13 |
| Met rendition | 13 |
| Met meoldy | 10 |
| Met melody for one | 18 |
| Met excerpt | 11 |
| Met climax | 10 |
| Met air | 7 |
| Menotti's "Lullaby," for one | 42 |
| Menotti's "All That Gold!" for one | 48 |
| Melody for the Met's Mitchell | 33 |
| Melody for Scotto | 17 |
| Melody for one | 14 |
| Melody for Myra Merritt | 23 |
| Melody for Milnes | 17 |
| Melody for Melba | 16 |
| Melody for Mallinger | 20 |
| Melody for Dame Nellie Melba | 28 |
| Melody for a memorable Melba | 28 |
| Melody at the Met | 17 |
| Melba specialty | 15 |
| Mat melody | 10 |
| Massenet's "Vision fugitive," e.g. | 48 |
| Massenet melody | 15 |
| Marilyn Horne offering | 22 |
| Maria Callas performance | 24 |
| Many a recital piece | 20 |
| Many a recital highlight | 24 |
| Manon melody | 14 |
| M. Horne forte | 14 |
| Lover of Apollo | 15 |
| Lincoln Center song | 19 |
| Lincoln Center highlight | 24 |
| Lily Pons's forte | 21 |
| Lily Pons delivery | 18 |
| Libretto tune | 13 |
| Leontyne Price offering | 23 |
| Leontyne Price number | 21 |
| Las Vegas resort with an Italian name | 37 |
| Las Vegas resort with a musical name | 36 |
| Las Vegas luxury hotel with a musical name | 42 |
| Lakmé's "Bell Song," for one | 45 |
| Lakme highlight | 18 |
| La Traviata tune | 19 |
| La Scala high point | 19 |
| La Scala air | 12 |
| Kin of a cavatina | 17 |
| Kathleen Battle delivery | 24 |
| Judith Blegen offering | 22 |
| Jessye Norman specialty | 23 |
| It might hit the high notes | 27 |
| It may include a cadenza | 24 |
| It may bring on bravos | 22 |
| It may be accompanied by an orchestra | 37 |
| It generates Sills' trills | 30 |
| It could come from Battle | 25 |
| Intermezzo preceder, maybe | 26 |
| Horne highlight | 15 |
| Hildegard Behrens specialty | 27 |
| Highlight of many operas | 24 |
| Highlight of an opera | 21 |
| Highlight for Sills | 19 |
| Highlight at The Met | 20 |
| High-level melody | 17 |
| High-culture strains | 20 |
| High point for Butterfly | 24 |
| Greek nymph with a musical-sounding name | 40 |
| Gluck creation | 14 |
| Gigli specialty | 15 |