Question: The Johann Strauss Orchestra has hosted which operatic soprano?
Context: Aus den Bergen ("From the Mountains"), opus 292, is the name of a waltz composed by Johann Strauss II.  The work was first performed in Pavlovsk on October 2nd 1864, under the title "In den Bergen".  The composition was dedicated to the music critic Eduard Hanslick.  Critics commented on Strauss' waltz that "after a long time a new waltz from Johann Strauss has appeared, which is distinguished by noble and graceful character, and further distinguished by extraordinarily masterful instrumentation."  The first Viennese performance of the waltz was in the Volksgarten as part of a benefit concert commemorating Strauss' twentieth anniversary of his debut as a composer. The Strauss Family is a 1972 English Associated Television series of eight episodes, about the family of composers of that name, including Johann Strauss I and his sons Johann Strauss II, Eduard Strauss and Josef Strauss. Idyllen ("Idylls"), Op.  95, is a waltz composed by Johann Strauss II in 1851.  It was composed for a "Grand Summer Festival Soiree" in the Vienna Volksgarten, with the composer conducting the Strauss Orchestra in its first performance.  The fifth waltz melody of the work incorporates themes from the popular song "O Madchen mein unter'm Hollerstock" ("O maiden mine beneath the rose-tree").  The "Theater Zeitung" commented on the Strauss waltz that "it is most original and displays a multitude of piquant dance rhythms which are instrumented with much spirit and, amidst tumultuous applause from the select and numerous public, had to be played "da capo"." Johann Strauss II (October 25, 1825 – June 3, 1899), also known as Johann Strauss Jr., the Younger, the Son (German: "Sohn" ), Johann Baptist Strauss, was an Austrian composer of light music, particularly dance music and operettas.  He composed over 500 waltzes, polkas, quadrilles, and other types of dance music, as well as several operettas and a ballet.  In his lifetime, he was known as "The Waltz King", and was largely then responsible for the popularity of the waltz in Vienna during the 19th century. The Johann Strauss Orchestra was founded by André Rieu in 1987.  At the time of its first concert on January 1, 1988, the orchestra consisted of 12 musicians.  By 2008 the orchestra had expanded to 43 members and has performed regularly with guest musicians and singers such as Carla Maffioletti, Mirusia Louwerse, Carmen Monarcha and the Platin Tenors.  The orchestra is well known for performing classical works with a distinctly unorthodox frivolity, joking with the audience and performing all sorts of antics. Johann Strauss I (German: "Johann Baptist Strauß, Johann Strauss (Vater)" ; also Johann Baptist Strauss, Johann Strauss Sr., the Elder, the Father; March 14, 1804 – September 25, 1849) was an Austrian Romantic composer.  He was famous for his waltzes, and he popularized them alongside Joseph Lanner, thereby setting the foundations for his sons to carry on his musical dynasty.  His most famous piece is the Radetzky March (named after Joseph Radetzky von Radetz). Budapest Gypsy Symphony Orchestra is a Hungarian symphony orchestra of Romani (Gypsy) musicians.  It emphasizes works by composers inspired by Hungarian folk music including Johannes Brahms, Vittorio Monti, Piotr Tchaïkovski, Johann Strauss and Johann Strauss II.  The orchestra has been performing for Johann Strauss III (25 October 1864January 9, 1939; German: "Johann Strauß III" ; also known as Johann Eduard Strauss) was an Austrian composer whose father was Eduard Strauss, whose uncles were Johann Strauss II and Josef Strauss, and whose grandfather was Johann Strauss I.  He was unofficially entrusted with the task of upholding his family's tradition after the dissolution of the Strauss Orchestra by his father in 1901.  His talents were not fully realised during his lifetime as musical tastes had changed in the Silver Age with more popular composers such as Franz Lehár and Oscar Straus dominating the Viennese musical scene with their operettas, although his uncle, Johann Strauss II, supervised his development as a musician, a fact disputed by Eduard Strauss. Carmen Monarcha (born August 27, 1979 in Belém, Pará) is a Brazilian operatic soprano. Eduard "Edi" Strauss (15 March 1835 – 28 December 1916) was an Austrian composer who, together with brothers Johann Strauss II and Josef Strauss made up the Strauss musical dynasty.  He was the son of Johann Strauss I and Maria Anna Streim.  The family dominated the Viennese light music world for decades, creating many waltzes and polkas for many Austrian nobility as well as dance-music enthusiasts around Europe.  He was affectionately known in his family as 'Edi'.
Answer: Carmen Monarcha