Disillusion (ABBA song)
"Disillusion" is a ballad by the pop group ABBA, on their first album "Ring Ring" (1973).
It is notable as the only song ABBA recorded to have a songwriting credit from Agnetha Fältskog.
She, unlike Anni-Frid Lyngstad, was a songwriter as well as a singer, and had dabbled in that in her pre-ABBA career.
She wrote the music, with lyrics added by fellow ABBA member Björn Ulvaeus.
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.
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.
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.
Agnetha Fältskog
Åse Agneta Fältskog (born 5 April 1950), better known as Agnetha Fältskog , is a Swedish singer, songwriter, musician and actress.
She achieved success in Sweden after the release of her debut album "Agnetha Fältskog" in 1968, and reached international stardom as a member of the pop group ABBA, which has sold over 380 million albums and singles worldwide, making them one of the best-selling music artists in history.
After the break-up of ABBA, Fältskog found success with three albums and a leading role in a movie as a solo artist in the 1980s, though she became more solitary in the nineties, avoiding outside publicity and residing on the Stockholm County island of Ekerö.
Fältskog stopped recording music for almost 17 years until she released a new album in 2004.
She returned again in 2013 with "A", her highest UK charting solo album to date.
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.
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.
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.

Question: Which country the composer of song Disillusion (Abba Song) is from?
Answer: Swedish