The tenor, a journalist who comes to interview the diva, turns out to be a wannabe opera singer himself, and in a fantasy sequence the two tediously execute the love duet of the diva's opera (about Eleanor of Aquitaine, of all things), a ponderous event with not one scintilla of musical heat or passion (that's the bit that ends with the bells).
WSJ: Prima Donna | La Traviata | New York City Opera Makes a Case for Its Own Demise | Opera Review by Heidi Waleson