Favorite Opera Moments Saturday, February 11 Irwin M. Jacobs Qualcomm Hall, Sorrento Valley Monday, February 13 Sherwood Auditorium, La Jolla   Tickets Concerts begin at 7:30 p.m.; the Nova Experience begins at 6:00 p.m. Program Notes Featured guest artists Megan Weston, soprano Susana Poretsky, mezzo-soprano Robert MacNeil, tenor Gregorio Gonzalez, baritone Barber of Seville Overture Giaochino Rossini "Largo al factotum" from Barber of Seville      Giaochino Rossini “Una Voce Poco Fa” from Barber of Seville Giaochino Rossini "Lippen schweigen" from The Merry Widow Franz Lehar  "La donna e mobile" from Rigoletto Giuseppe Verdi "Ah, fors'è lui...Sempre libera" from La Traviata Giuseppe Verdi Intermezzo from Cavalleria Rusticana Pietro Mascagni   “Bella Figlia” from Rigoletto Giuseppe Verdi Intermission   Overture from Orpheus in the Underworld Jacques Offenbach "Les Oiseaux dans la Charmille" (The Doll's Song) from Tales of Hoffmann Jacques Offenbach Carmen Overture (March of the Torreadors) Georges Bizet "Votre toast, je peux vous le rendre" (Toreador Song) from Carmen Georges Bizet "L'amour est un oiseaux rebelle" (Habanera) from Carmen Georges Bizet "Viens, Mallika" (Flower Duet) from Lakme Leo Delibes  "Nessun dorma" from Turandot Giacomo Puccini   "Libiamo ne' lieti calici", Brindisi (Toast) from La Traviata Giuseppe Verdi