Question: Daniel Barenboim (born 15 November 1942) is an Argentine-Israeli pianist and conductor who is a citizen of Argentina, Israel, Palestine, and Spain. He is the general music director of the Berlin State Opera, and the Staatskapelle Berlin; he previously served as Music Director of the Chicago Symphony Orchestra, the Orchestre de Paris and La Scala in Milan. Barenboim is known for his work with the West-Eastern Divan Orchestra, a Seville-based orchestra of young Arab and Israeli musicians, and as a resolute critic of the Israeli occupation of Palestinian territories. Barenboim has received many awards and prizes, including an honorary Knight Commander of the Order of the British Empire, France's Legion d'honneur both as a Commander and Grand Officier, and the German Grosses Bundesverdienstkreuz and Willy Brandt Award.

Barenboim has performed several times in the West Bank: at Bir Zeit University in 1999 and several times in Ramallah.  In December 2007, Barenboim and 20 musicians from England, the United States, France and Germany, and one Palestinian were scheduled to play a baroque music concert in Gaza. Although they had received authorization from Israeli authorities, the Palestinian was stopped at the Israel-Gaza border and told that he needed individual permission to enter. The group waited seven hours at the border, and then canceled the concert in solidarity. Barenboim commented: "A baroque music concert in a Roman Catholic church in Gaza - as we all know - has nothing to do with security and would bring so much joy to people who live there in great difficulty."  In January 2008, after performing in Ramallah, Barenboim accepted honorary Palestinian citizenship, becoming the first Jewish Israeli citizen to be offered the status. Barenboim said he hoped it would serve as a public gesture of peace. Some Israelis criticized Barenboim's decision to accept Palestinian citizenship. The parliamentary faction chairman of the Shas party demanded that Barenboim be stripped of his Israeli citizenship, but the Interior Minister told the media that "the matter is not even up for discussion".  In January 2009, Barenboim cancelled two concerts of the West-Eastern Divan Orchestra in Qatar and Cairo "due to the escalating violence in Gaza and the resulting concerns for the musicians' safety."  In May 2011, Barenboim conducted the "Orchestra for Gaza" composed of volunteers from the Berlin Philharmonic, the Berlin Staatskapelle, the Orchestra of La Scala in Milan, the Vienna Philharmonic and the Orchestre de Paris--at al-Mathaf Cultural House. The concert, held in Gaza City, was co-ordinated in secret with the United Nations. The orchestra flew from Berlin to Vienna and from there to El Arish on a plane chartered by Barenboim, entering the Gaza Strip at the Egyptian Rafah Border Crossing. The musicians were escorted by a convoy of United Nations vehicles. The concert, the first performance by an international classical ensemble in the Strip, was attended by an invited audience of several hundred schoolchildren and NGO workers, who greeted Barenboim with applause. The orchestra played Mozart's Eine kleine Nachtmusik and Symphony No. 40, also familiar to an Arab audience as the basis of one of the songs of the famous Arab singer Fairuz. In his speech, Barenboim said: "Everyone has to understand that the Palestinian cause is a just cause therefore it can be only given justice if it is achieved without violence. Violence can only weaken the righteousness of the Palestinian cause".

Using a quote from the above article, answer the following question: Is there any information on West Bank?
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Question: The Vienna Boys' Choir (German: Wiener Sangerknaben) or Vienna Choir Boys is a choir of boy sopranos and altos based in Vienna, Austria. It is one of the best known boys' choirs in the world. The boys are selected mainly from Austria, but also from many other countries. The choir is a private, not-for-profit organization.

The choir is the modern-day descendant of the boys' choirs of the Viennese Court, dating back to the late Middle Ages. The choir was, for practical purposes, established by a letter from Emperor Maximilian I of Habsburg on 30 June 1498, instructing court officials to employ a singing master, two basses and six boys. Jurij Slatkonja became the director of the ensemble. The role of the choir (numbering between 24 and 26) was to provide musical accompaniment for the church mass. Additionally, the Haydn brothers were members of the St. Stephen's Cathedral choir, directed at the time by Georg Reutter II, who used this choir in his duties for the imperial court, which at the time had no boy choristers of its own.  Over the centuries, the choir has worked with many composers, including Heinrich Isaac, Hofhaimer, Biber, Fux, Caldara, Gluck, Salieri, Mozart, Franz Schubert and Bruckner.  In 1920, following the fall of the Austrian Empire, the Hofkapelle (court orchestra) was disbanded. However, the rector at the time, Josef Schnitt, sought a continuation of the tradition. In 1924, the Vienna Boys' Choir was officially founded, and it has evolved into a professional music group. The choir adopted the now-famous blue and white sailor suit, replacing the imperial military cadet uniform that included a dagger. The composer HK Gruber is one of the graduates of the reformed choir.  Since 1948, the Palais Augarten has served as their rehearsal venue and boarding school, which goes from kindergarten level up to middle school level.  In 1961, Walt Disney filmed Almost Angels, a fictional drama about (and starring) the Vienna Boys' Choir, set and filmed in the Palais Augarten. It was Disney who, for cinematographic reasons, persuaded the Austrian government to allow the boys to legally wear the Austrian national emblem on the breast of their uniform, a tradition that continues to this day.

Using a quote from the above article, answer the following question: Were there any controversies involving that?
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In 1924, the Vienna Boys' Choir was officially founded, and it has evolved into a professional music group.