Question: The Johann Strauss Orchestra was founded by André Rieu in 1987, it has performed regularly with guest musicians and singers such as which Brazilian operatic soprano?

Context paragraphs:
Johann Strauss III: 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.

Suzan Erens: Suzan Erens (born November 11, 1976 in Heerlen, Netherlands) is a Dutch concert singer.  Classically trained, her concert repertoire includes arias from opera and operetta as well as musical theatre and pop songs.  She has toured worldwide and recorded as a soloist with André Rieu's Johann Strauss Orchestra.

Budapest Gypsy Symphony Orchestra: 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

Waltzing Matilda (album): Waltzing Matilda is a studio album by Dutch violinist André Rieu and Australian soprano Mirusia, released on 28 April 2008 in Australia.  The album includes several Australian traditional songs sung by Mirusia.  Rieu and Mirusia performed the tracks in their worldwide tour late in 2008.  The album debuted at number two on the Australian ARIA Albums Chart.  It reached number one in its second week on the chart in the lead up to Mother's Day, selling 17,560 units.

Johann Strauss I: 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).

Idyllen: 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"."

La Ola Walzer: "La Ola Walzer" (Trans: "The Wave Waltzer") is a song performed and recorded by Austrian artist DJ Ötzi.  The song was released alongside the single ""Servus die Wadln"" on 31 January 2005.  The single is a catchy form of 'pop waltz' song, featuring the main melody of ""The Blue Danube"".  The song became popular following DJ Otzi's performance alongside André Rieu and the Johann Strauss Orchestra in Vienna in 2006 and in Maastricht in 2010.  Since the performance there has been a small demand for an English version of the song to be released, especially in the UK.

Carmen Monarcha: Carmen Monarcha (born August 27, 1979 in Belém, Pará) is a Brazilian operatic soprano.

Johann Strauss Orchestra: 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.

André Rieu: André Léon Marie Nicolas Rieu (born 1 October 1949) is a Dutch violinist and conductor best known for creating the waltz-playing Johann Strauss Orchestra.  Together they have turned classical and waltz music into a worldwide concert touring act, as successful as some of the biggest global pop and rock music acts.

Supporting paragraphs: Johann Strauss Orchestra Carmen Monarcha
Answer: Carmen Monarcha