The Nuns' Chorus (O Madonna, auf uns sieh) is from the 1928 operetta "Casanova," which was arranged by Ralph Benatsky (1884-1957) from the music of Johann Strauss Jr.. The Nuns' Chorus itself, according to Andrew Lamb's book "150 Years of Popular Musical Theatre" (p. 227), was adapted from Strauss' operetta "Blindekuh" (1878).
I know of no such chorus.
Laura [Laura's Song]
The Bridal Chorus, also known as "Here Comes the Bride", or "Wedding March" is from the opera Lohengrin by Richard Wagner.
The Hallelujah Chorus is part of the Messiah, an oratorio composed by George Frideric Handel.Messiah is an English oratorio composed by George Frideric Handel, and is one of the most popular works in the Western choral literature. The most famous movement is the "Hallelujah" chorus, which concludes the second of the three parts. The text is drawn from three passages in the New Testament book of Revelation.
The Pange Lingua Mass was composed by Franz Liszt. Liszt composed this mass in 1869, setting the traditional Latin text to music for four-part mixed chorus and organ.
The Ursulines are Sisters not nuns. They were founded in the sixteenth century and were the very first Order that was founded that was not composed of cloistered nuns, instead they were founded for the education of young girls so the Sisters were not to be cloistered but to be out in the community. There was Episcopal opposition to a religious order of women that was not strictly cloistered, at that time.
Other nuns
Monks and nuns do the monks' and nuns' jobs now.
Yes, nuns can vote.
nuns
The nuns sleep in the nunnery in the convent.