Romeo and Juliet sometimes been judged unfavourably because of its perceived liberties with Shakespeare; however, Bellini and his librettist, Felice Romani, worked from Italian sources—principally Romani's libretto for "Giulietta e Romeo" by Nicola Vaccai—rather than directly adapting Shakespeare's play. Among later operas, there is Heinrich Sutermeister's 1940 work "Romeo und Julia". "Roméo et Juliette" by Berlioz is a "symphonie dramatique", a large-scale work in three parts for mixed voices, chorus, and orchestra, which premiered in 1839. Tchaikovsky's "Romeo and Juliet" Fantasy-Overture (1869, revised 1870 and 1880) is a 15-minute symphonic poem, containing the famous melody known as the "love theme". Tchaikovsky's device of
Nurse (Romeo and Juliet) events that took place. The Nurse is sent by Juliet in act two, scene four to seek out Romeo the night after their first kiss and exchange of vows. The Nurse finds Romeo and soon after returns to Juliet with news of Romeo's continued affection. It is because of the Nurse's approval that Juliet ultimately decides to go through with marrying Romeo. Later, the Nurse is overcome with grief at the death of Tybalt, and she runs to Juliet and cries, "He's dead, he's dead, he's dead! We are undone, lady, we are undone! Alack the day, he's gone, he's