| Opera house at Lincoln Center, casually | 39 |
| Opera highlights | 16 |
| Opera highlight | 15 |
| Opera high spot | 15 |
| Opera heroines, often | 21 |
| Opera heroine, usually | 22 |
| Opera heroine, often | 20 |
| Opera heroine with the aria "Einsam in trüben Tagen" | 65 |
| Opera heroine who sings "Einsam in trüben Tagen" | 61 |
| Opera heroine | 13 |
| Opera heroes | 12 |
| Opera hero, often | 17 |
| Opera hero's range, often | 29 |
| Opera hero and others | 21 |
| Opera heavy | 11 |
| Opera headpieces | 16 |
| Opera headliners | 16 |
| Opera hat | 9 |
| Opera great ___-Casazza | 23 |
| Opera great Pavarotti | 21 |
| Opera goddess | 13 |
| Opera glasses, e.g. | 19 |
| Opera glasses on a handle | 25 |
| Opera glasses | 13 |
| Opera girl et al. | 17 |
| Opera girl and others | 21 |
| Opera girl | 10 |
| Opera giant | 11 |
| Opera genre? | 12 |
| Opera for singer Cook? | 22 |
| Opera follower? | 15 |
| Opera flirt | 11 |
| Opera first performed in 1762 | 29 |
| Opera featuring the "Willow Song" | 43 |
| Opera featuring the "Prisoners' Chorus" | 53 |
| Opera featuring Iago | 20 |
| Opera featuring elephants | 25 |
| Opera featuring Don José and Escamillo | 41 |
| Opera featuring a captured princess | 35 |
| Opera featuring a "grave-digging duet" | 48 |
| Opera features | 14 |
| Opera feature | 13 |
| Opera favorite | 14 |
| Opera fan? | 10 |
| Opera fan's shout | 21 |
| Opera fan's opposite of "buffa" | 45 |
| Opera extras, for short | 23 |
| Opera extras, briefly | 21 |
| Opera extras | 12 |
| Opera extra's prop | 22 |
| Opera excerpt | 13 |
| Opera ender? | 12 |
| Opera diva's solo | 21 |
| Opera diva's book | 21 |
| Opera diva Callas | 17 |
| Opera director Scotto | 21 |
| Opera director Capobianco | 25 |
| Opera debut of 1900 | 19 |
| Opera cycle | 11 |
| Opera cry | 9 |
| Opera conductor Daniel ___ | 26 |
| Opera conductor Daniel | 22 |
| Opera conductor Alberto | 23 |
| Opera composer?Donizetti's teacher | 38 |
| Opera composer Nikolai | 22 |
| Opera composer Alban | 20 |
| Opera composer | 14 |
| Opera company with muscle | 25 |
| Opera commissioned by the khedive of Egypt | 42 |
| Opera circle | 12 |
| Opera chorus weapon | 19 |
| Opera cheers | 12 |
| Opera cheer | 11 |
| Opera character with a dream | 28 |
| Opera character who sings “Vissi d’arte” | 52 |
| Opera character who sings "Largo al factotum" | 55 |
| Opera character who sings "Eri tu" | 44 |
| Opera character who sees the words "Abandon hope, all ye who enter here" | 82 |
| Opera character who jumps to her death in the end | 49 |
| Opera character who cries "Il fazzoletto!" ("The handkerchief!") | 84 |
| Opera character who commits suicide by jumping off a parapet | 60 |
| Opera celeb | 11 |
| Opera CD track | 14 |
| Opera cast members | 18 |
| Opera cape | 10 |
| Opera call | 10 |
| Opera by Weber | 14 |
| Opera by Wagner: 1856 | 21 |
| Opera by Von Weber | 18 |
| Opera by Verdi: 1871 | 20 |
| Opera by Verdi | 14 |
| Opera by today's birthday composer | 38 |
| Opera by Thomas | 15 |
| Opera by Strauss | 16 |
| Opera by Salieri | 16 |
| Opera by Rossini or Verdi | 25 |
| Opera by R. Strauss | 19 |
| Opera by Puccini | 16 |
| Opera by Massenet | 17 |
| Opera by Kienzl: 1898 | 21 |