Mariss Jansons (born 1943) is a prominent Latvian conductor. 1943 (MCMXLIII) is a common year starting on Friday. ... See Conductor for other possible uses of the word. ...

Jansons was born in Riga, the son of conductor Arvid Jansons. His mother, who was Jewish, gave birth to him in hiding after her father and brother were killed in the Riga ghetto. In 1946, his father won second prize in a national competition and was chosen by Yevgeny Mravinsky to be his assistant at the Leningrad Philharmonic. When his family joined him in 1956, young Jansons entered the Leningrad Conservatory, where he studied piano and conducting, although his father urged him to continue playing violin. In 1969 he continued his training in Vienna and in Salzburg with Herbert von Karajan. Riga (Latvian: Rīga), the capital of Latvia, is situated on the Baltic Sea coast on the mouth of River Daugava, at 56°58′N 24°8′E. Riga is the largest city in the Baltic states and serves as a major cultural, educational, political, financial, commercial and industrial center... 1946 (MCMXLVI) was a common year starting on Tuesday. ... Yevgeny Aleksandrovich Mravinsky (June 4, 1903 - January 19, 1988) was a Russian conductor. ... The St. ... The St. ... Vienna (German: Wien [viːn]; Slovenian: Dunaj, Hungarian: Bécs, Czech: Vídeň, Slovak: Viedeň, Romany Vidnya; Serbian: Beč) is the capital of Austria, and also one of Austrias nine states (Land Wien). ... Flag of Salzburg Salzburg (population 145,000 in 2003) is a city in western Austria and the capital of the federal state of Salzburg (population 520,000 in 2003). ... Herbert von Karajan (April 5, 1908 – July 16, 1989) was an Austrian conductor. ...

In 1973, Jansons was appointed Associate Conductor of the St. Petersburg Philharmonic Orchestra (formerly the Leningrad Philharmonic). In 1979, he was appointed music director of the Oslo Philharmonic Orchestra, with which he has performed, recorded and toured extensively. In 1992, Jansons was named principal guest conductor of the London Philharmonic Orchestra. In March 1997, he was appointed music director of the Pittsburgh Symphony Orchestra. The Oslo Philharmonic Orchestra (founded 1919) is an orchestra based in Oslo, Norway. ... The London Philharmonic Orchestra (frequently abbreviated to LPO), based in London, is one of the major orchestras of the United Kingdom. ... The Pittsburgh Symphony Orchestra is one of the major orchestras in the United States. ...

In 1996, Jansons nearly died on the Oslo podium, felled by a heart attack while conducting the final pages of La Bohème. Surgeons in Pittsburgh fitted a defibrillator in his chest to give his heart an electric jolt if it fails. (Jansons's father died on the podium.) A myocardial infarction occurs when an atherosclerotic plaque slowly builds up in the inner lining of a coronary artery and then suddenly ruptures, totally occluding the artery and preventing blood flow downstream. ... La Bohème, French for The Bohemians, is an opera in four acts by Giacomo Puccini to an Italian libretto by Luigi Illica and Giuseppe Giacosa, based on La Vie de Bohème by Henri Murger. ... Bold text A semi-automatic external defibrillator (AED) A defibrillator is a medical device used in the defibrillation of the heart. ...

Starting in September 2004, Jansons is the successor to Riccardo Chailly as the chief conductor of Amsterdam's Concertgebouw Orchestra. Riccardo Chailly (born February 20, 1953) is an Italian conductor. ... The Royal Concertgebouw Orchestra (Koninklijk Concertgebouworkest in Dutch) is the best known and most respected orchestra in the Netherlands, and is generally considered to be among the worlds finest. ...

In 2006 he conducted the Vienna New Year's Concert concert. The New Year Concert (in German: Das Neujahrskonzert der Wiener Philharmoniker) of the Vienna Philharmonic Orchestra is a concert that takes place each year in the morning of January 1 in Vienna, Austria. ...