Question: Radvanovskya play written has sung as Elvira and in a libretto largely written by who?

Context paragraphs:
Chūzan Seikan: Chūzan Seikan (中山世鑑 ) or "Mirror of Chūzan", compiled in 1650 by Shō Shōken, is the first official history of the Ryūkyū Kingdom.  In six scrolls, the main text occupies five and an accompanying summary the sixth.  Unlike later official histories such as "Chūzan Seifu" and "Kyūyō", which were written in kanbun, "Chūzan Seikan" is largely written in Japanese, other than for the summary and a number of quotes in Chinese.

Il trovatore: Il trovatore (] ; Italian for "The Troubadour") is an opera in four acts by Giuseppe Verdi to an Italian libretto largely written by Salvadore Cammarano, based on the play "El trovador" (1836) by Antonio García Gutiérrez.  It was Gutiérrez's most successful play, one which Verdi scholar Julian Budden describes as "a high flown, sprawling melodrama flamboyantly defiant of the Aristotelian unities, packed with all manner of fantastic and bizarre incident."

List of songs recorded by The Sword: The Sword is an American heavy metal band formed in Austin, Texas in 2003.  The band released its debut album "Age of Winters" in 2006; the songs on the album were largely written by frontman J. D. Cronise before the band's formation, although the musical compositions were credited to the band as a whole.  In 2007 the band contributed the track "Sea of Spears" to a split extended play (EP) with Swedish band Witchcraft, which was credited to Cronise and guitarist Kyle Shutt, as well as a cover version of Led Zeppelin's "Immigrant Song".  In 2008 the band released its second album "Gods of the Earth", which was again credited to Cronise (lyrics) and the band as a whole (music), as well as the single "Fire Lances of the Ancient Hyperzephyrians" which featured the previously unreleased track "Codex Corvidae" as the B-side.

Bread and Roses Award: The Bread and Roses Award for Radical Publishing is a British literary award presented for the best radical book published each year, with "radical book" defined as one that is "informed by socialist, anarchist, environmental, feminist and anti-racist concerns" – in other words, ideologically left books.  The award believes itself to be the UK's only left-wing only book prize.  Books must be written, or largely written by authors or editors normally living in the UK, or international books available for purchase in the UK.  Winning authors receive .  The Bread and Roses Award is sponsored by the Alliance of Radical Booksellers and has no corporate sponsorship.

Andria (Machiavelli): Andria is the first play written by Niccolò Machiavelli, published in the period 1517-1520.  It is a translation of a play written by the Latin comedy writer Terence, who had originally taken it from the Greek dramatist Menander.  It is one of the examples of Machiavelli as a comedy writer, along with "The Mandrake" and the "Clizia".  The play has been considered by some scholars semi-autobiographical.

Sondra Radvanovsky: Sondra Radvanovsky (born April 11, 1969) is an American-Canadian soprano.  Specializing in 19th-century Italian opera, Radvanovsky has been called one of the leading Verdi sopranos of her generation.  Her signature roles include Elvira in "Ernani", Leonora in "Il trovatore", Elena in "I vespri siciliani", Élisabeth in "Don Carlos", and the title role in "Norma".

Horrible Histories: The Mad Millennium: The Mad Millennium is a Horrible Histories musical play written by Terry Deary and first performed in 1999.  The play is about 7 kids in a history lesson with a new history teacher and their only hope is to race through the centuries.  It is the only HH play written into a published book - "The Mad Millennium: A Play by Terry Deary".

Alexander L. Baugh: Alexander L. Baugh (born 1957) is a professor of Church History and Doctrine at Brigham Young University (BYU).  He has largely written on the history of the Latter Day Saint movement in the 1830s Missouri period, but has also written on such topics as The Church of Jesus Christ of Latter-day Saints (LDS Church) in Great Britain during the 20th Century.

Serious Money: Serious Money is a satirical play written by Caryl Churchill first staged in London in 1987.  Its subject is the British stock market, specifically the London International Financial Futures and Options Exchange (LIFFE).  It is notable for being largely written in rhyming couplets.

The Book of the Law: Liber AL vel Legis (] ) is the central sacred text of Thelema, allegedly written down from dictation mostly by Aleister Crowley, although his wife Rose Edith Crowley is also known to have written two phrases into the manuscript of the Book after its dictation.  Crowley claimed it was dictated to him by a discarnate entity named Aiwass.  However, the three chapters are largely written in the first person by the Thelemic deities Nuit, Hadit, and Ra-Hoor-Khuit respectively, rather than by Aiwass/Aiwaz.

Supporting paragraphs: Sondra Radvanovsky Il trovatore
Answer: Salvadore Cammarano