Listen to Verdi: La traviata / Act 1: Un dì felice, eterea online. Verdi: La traviata / Act 1: Un dì felice, eterea is an Italian language song and is sung by Luciano Pavarotti, Joan Sutherland, National Philharmonic Orchestra and Richard Bonynge. Verdi: La traviata / Act 1: Un dì felice, eterea, from the album 101 Pavarotti, was released in the year 2011. The duration of the song is 3:28. Download Italian songs online from JioSaavn.