Alonso Mudarra
Alonso Mudarra( c. 1510 – April 1, 1580) was a Spanish composer of the Renaissance, and also played the vihuela, a guitar- shaped string instrument.
He was an innovative composer of instrumental music as well as songs, and was the composer of the earliest surviving music for the guitar.
Petrus de Domarto
Petrus de Domarto( fl. c. 1445– 1455) was a Franco- Flemish composer of the Renaissance.
He was a contemporary and probable acquaintance of Ockeghem, and was the composer of at least one of the first unified mass cycles to be written in continental Europe.
Världens lyckligaste par
Världens lyckligaste par is a song written by Christer Ericsson, and originally performed by Lasse Stefanz in 1986.
The song depicts a couple who has met and made each other happy, stayed together for year, and look bright upon the future.
A Lasse Stefanz recording, with Olle Jönsson and Lotta Engberg, charted at Svensktoppen for 17 weeks during the period of 17 May-22 November 1987 at Svensktoppen for 17 weeks (including summer break), topping the chart.
The song intro has also acted as opening theme for radi program "Dansgolvet'' at Sveriges Radio P4 Jönköping.
Christer Ericsson
Jan Christer Ericsson (27 March 1942 – 28 June 2016) was a Swedish businessman.
He developed a method for loading of containers, in which he tried unsuccessfully to interest his then-bosses at Stena Line.
In his own business, Container Safe J C Ericsson AB, later known as Consafe, he developed his own ideas and was initially successful in sea transportation.
In 1987, he published a book entitled "Utan omsvep: mitt berikande liv med Consafe".
In the late 1970s, Consafe started to manufacture houses and service platforms for offshore businesses in co-operation with Svenska Varv.
The business expanded, but went into bankruptcy in 1985.
Ericsson had already, before the bankruptcy, started to invest in other businesses.
He was a major shareholder in the car dealership Philipson Bil and also invested in the oil and gas industry.
Ericsson presented an episode of the Sveriges Radio show "Sommar i P1" on the 6 July 2006, where he spoke about his life and business career.
Michelangelo Faggioli
Michelangelo Faggioli( 1666–1733) was an Italian lawyer and celebrated amateur composer of humorous cantatas in Neapolitan dialect.
A founder of a new genre of Neapolitan comedy, he was the composer of the opera buffa" La Cilla" in 1706.
Alexandru Cristea
Alexandru Cristea( 1890 – 1942) was the composer of the music for" Limba Noastră", current national anthem of Moldova.
Alexander Courage
Alexander Mair" Sandy" Courage Jr.( December 10, 1919
May 15, 2008) was an American orchestrator, arranger, and composer of music, primarily for television and film.
He is best known as the composer of the theme music for the original" Star Trek" series.
Karl Wilhelm (conductor)
Karl Wilhelm, also Carl Wilhelm( 5 September 1815, Schmalkalden – 26 August 1873, Schmalkalden) was a German choral director.
He is best known as the composer of the music of the song “ Die Wacht am Rhein. ”
Pydimarri Venkata Subba Rao
Pydimarri Venkata Subba Rao( June 10, 1916 – 1988) was a Telugu author who is best remembered as the composer of the National Pledge of India.
Walter Robinson (composer)
Walter Robinson is an African American composer of the late 20th century.
He is most notable for his 1977 song" Harriet Tubman", which has been recorded by folk musicians such as Holly Near, John McCutcheon, and others.
He is also the composer of several operas.

Question: What nationality is the composer of song Världens Lyckligaste Par?
Answer: Swedish