The best tenor ever is Richard Tucker. My personal favorite tenor is Jan Peerce. My favorite soprano is Licia Albanese, mezzo-soprano is Risë Stevens, baritone is Robert Merrill, and bass is Ezio Pinza. Some other opera singers worth exploring:
- Grace Moore, soprano
- Gladys Swarthout, mezzo-soprano
- Beniamino Gigli, tenor
- Tito Schipa, tenor
- Frank/Francesco Valentino, baritone
- Richard Bonelli, baritone
- Ben Heppner, tenor
- Eleanor Steber, soprano
- Dorothy Kirsten, soprano
- Eileen Farrell, soprano
- Zinka Milanov, soprano
- James Melton, tenor
- Giuseppe Di Stefano, tenor
- Jussi Björling, tenor
- Nadine Conner, soprano
- Rudolf Schock, tenor
- Alfredo Kraus, tenor
- Rose Bampton, soprano
- Nell Rankin, mezzo-soprano
- Regina Resnik, mezzo-soprano
- Giulietta Simionato, mezzo-soprano
- Claudia Muzio, soprano
- Rosa Ponselle, soprano
- Anna Moffo, soprano
- Aprile Millo, soprano
- Eugene Conley, tenor
- Giacomo Lauri-Volpi, tenor
- John McCormack, tenor
- Giovanni Martinelli, tenor
- Richard Tauber, tenor
Some Italian opera arias, duets, and ensembles you might enjoy:
- "Vogliatemi bene" from Puccini's "Madama Butterfly"
- "O mio babbino caro" from Puccini's "Gianni Schicchi"
- "Recondita armonia" from Puccini's "Tosca"
- "Finch 'han dal vino" from Mozart's "Don Giovanni"
- "Non piu andrai" from Mozart's "Le nozze di Figaro"
- "Addio fiorito asil" from Puccini's "Madama Butterfly"
- "Un bel di vedremo" from Puccini's "Madama Butterfly"
- "Si. Mi chiamano Mimi" from Puccini's "La bohème"
- "O soave fanciulla" from Puccini's "La bohème"
- "Che gelida manina" from Puccini's "La bohème"
- "Vissi d'arte" from Puccini's "Tosca"
- "Ombra mai fu" from Handel's "Serse"/"Xerxes"
- "Il mio tesoro" from Mozart's "Don Giovanni"
- "Dalla sua pace" from Mozart's "Don Giovanni"
- "Questa o quella" from Verdi's "Rigoletto"
- "Rigoletto" quartet by Verdi
- "Celeste Aida" from Verdi's "Aida"
- Sextet from Donizeti's "Lucia di Lammermoor"
- "Sempre libera" from Verdi's "La Traviata"
- "Verano a te" from Donizeti's "Lucia di Lammermoor"
- "Largo al factotum" from Rossini's "Il Barbiere di Siviglia"
Look for these singers and arias on YouTube.
Good luck!