Alberto Hassan
Encyclopedia
Alberto Hassan is a singer from Argentina
Argentina
Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...

, recorded tenor
Tenor
The tenor is a type of male singing voice and is the highest male voice within the modal register. The typical tenor voice lies between C3, the C one octave below middle C, to the A above middle C in choral music, and up to high C in solo work. The low extreme for tenors is roughly B2...

, directed mainly to the folk music
Folk music
Folk music is an English term encompassing both traditional folk music and contemporary folk music. The term originated in the 19th century. Traditional folk music has been defined in several ways: as music transmitted by mouth, as music of the lower classes, and as music with unknown composers....

 of America and black spiritual, which integrates the vocal group Opus Four since its inception. He is of Lebanese background.

Career

Alberto Hassan, in the 1960s, served on the Coro Universitario de La Plata, as a student of the Faculty of Law, Universidad Nacional de La Plata
Universidad Nacional de La Plata
The National University of La Plata is one of the most important Argentine national universities and the biggest one situated in the city of La Plata, capital of Buenos Aires Province...

, where he received his Notary Public
Notary public
A notary public in the common law world is a public officer constituted by law to serve the public in non-contentious matters usually concerned with estates, deeds, powers-of-attorney, and foreign and international business...

. He established a relationship with Antonio Bugallo, who summoned him to join Opus Four, along with his brother Lino Bugallo and Federico Galiana, all choir members.

Opus Four debuted on 10 July 1968 and become one of the most important vocal groups Latin America
Latin America
Latin America is a region of the Americas where Romance languages  – particularly Spanish and Portuguese, and variably French – are primarily spoken. Latin America has an area of approximately 21,069,500 km² , almost 3.9% of the Earth's surface or 14.1% of its land surface area...

, staying active since then without interruption. At the beginning of 2009, had carried out 7100 performances in 450 cities worldwide, including 25 tours in Europe and U.S. 9.

Galiana Hassan and remained in the group, while Antonio Bugallo (second tenor) would withdraw by 1972, replaced first by Hannibal Bresca and then Ruben Verna until Marcelo Balsells was incorporated in 1982 and remained ever since. Shortly after his brother was also withdrawn Lino, entering instead the Bolivia
Bolivia
Bolivia officially known as Plurinational State of Bolivia , is a landlocked country in central South America. It is the poorest country in South America...

 no Hernando Irahola.

Álbumes con Opus Cuatro

  1. América, 1970
  2. Con América en la sangre, 1971
  3. Si somos americanos, 1973
  4. Opus Cuatro-Op. 4 - Vol IV, 1976
  5. Opus Cuatro-CBS, 1980
  6. Militantes de la vida, 1984
  7. Un nuevo tiempo, 1987
  8. Por amor, 1992
  9. Jazz, spirituals, musicals, 1993
  10. Opus Cuatro canta con los coros argentinos, 1994
  11. No dejes de cantar, 1996
  12. Opus Cuatro canta con los coros argentinos, volumen II, 1997
  13. Milagro de amor, 1998
  14. Opus Cuatro, se vuelve a más, 1999 (edición para Europa)
  15. Cantata al Gral. Don José de San Martín, 1999, dirección musical de Luis María Serra
  16. Opus Cuatro. Europa en vivo, 2000
  17. Opus Cuatro, tangos, valses y milongas, 2001
  18. Los opus y los vientos, 2003, con el grupo Cuatro Vientos
    Cuatro Vientos
    Cuatro Vientos is a ward of Madrid belonging to the district of Latina.-Geography:Cuatro Vientos is situated in the south-western area of central Madrid, close to the motorways A5 and M40 and to the homonymous airport.-External links:...

    (Julio Martínez, Jorge Polanuer, Diego Maurizi, Leo Heras)
  19. Spirituals, blues & jazz, 2005
  20. Opus Cuatro canta con los coros argentinos, volumen III, 2007
  21. Latinoamérica vive, 2007, Radio Nederland
  22. Opus Cuatro. Cuarenta años de canto, 2008
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