Music notes
Carlos Sanchez-Gutierrez
Circle of fifths
Cor anglais
The cor anglais (UK: /ˌkɔːr ˈɒŋɡleɪ/, US: /ˌkɔːr ɑːŋˈɡleɪ/[1][2] or original French: [kɔʁ ɑ̃ɡlɛ];[3] plural: cors anglais) or English horn in North America, is a double-reed woodwind instrument in the oboe family. It is approximately one and a half times the length of an oboe.
The cor anglais is a transposing instrument pitched in F, a perfect fifth lower than theoboe (a C instrument). This means that music for the cor anglais is written a perfect fifth higher than the instrument actually sounds. The fingering and playing technique used for the cor anglais are essentially the same as those of the oboe and oboists typically double on the cor anglais when required. The cor anglais normally lacks the lowest B♭ key found on most oboes and so its sounding range stretches from E3 (written B♮) belowmiddle C to C6 two octaves above middle C.
Arturo Márquez
Alfredo Kraus
Alfredo Kraus Trujillo (Spanish pronunciation: [alˈfɾeðo kɾaus tɾuˈxiʎo]; 24 November 1927 – 10 September 1999) was a distinguished Spanish tenor from the Canary islands(known professionally as Alfredo Kraus), particularly known for the artistry he brought toopera‘s bel canto roles. He was also considered an outstanding interpreter of the title role in Massenet‘s opera Werther, and especially of its famous aria, “Pourquoi me réveiller?”
Friedrich von Flotow – Wikipedia
Friedrich Adolf Ferdinand, Freiherr von Flotow (27 April 1812 – 24 January 1883) was a German composer. He is chiefly remembered for his opera Martha, which was popular in the 19th century and the early part of the 20th.
Source: Friedrich von Flotow – Wikipedia
Martha (opera) – Wikipedia
Martha, oder Der Markt zu Richmond (Martha, or The Market at Richmond) is a romantic comic opera in four acts by Friedrich von Flotow set to a German libretto by Friedrich Wilhelm Riese and based on a story by Jules-Henri Vernoy de Saint-Georges.
Flotow had composed the first act of a ballet, Harriette, ou la servante de Greenwiche, derived from a text by Saint-Georges, for the ballerina Adèle Dumilâtre. This was first performed by the Paris Opera Ballet at the Salle Le Peletier on 21 February 1844. The time available for the composition was short, so the second and third acts were assigned, respectively, to Friedrich Burgmüller and Édouard Deldevez. The opera Martha was an adaptation of this ballet.[1]
Source: Martha (opera) – Wikipedia
Chinese musicology – Wikipedia
Wiener Blut, Walzer, Op. 354 by Wiener Philharmoniker
You can check out the song Wiener Blut, Walzer, Op. 354 by Wiener Philharmoniker at https://bnc.lt/Scoe/FomuzHvPKI