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.
Arash (singer)
Arash Labaf( born 23 April 1977) is an Iranian- Swedish singer, entertainer and producer.
He represented Azerbaijan along with Aysel in the Eurovision Song Contest 2009, finishing third with the song" Always".
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.
Aysel Teymurzadeh
Aysel Teymurzadeh( born 25 April 1989, Baku) is an Azerbaijani pop and R&B singer.
She has become well known after singing the song" Always" along with Arash during the 2009 Eurovision Song Contest in Moscow finishing third.
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.
I'm Always Chasing Rainbows
"I'm Always Chasing Rainbows" is a popular Vaudeville song.
The music is credited to Harry Carroll, but the melody is adapted from "Fantaisie-Impromptu" by Frédéric Chopin.
The lyrics were written by Joseph McCarthy, and the song was published in 1917.
It was introduced in the Broadway show "
Oh, Look!" which opened in March 1918.
The song was sung in the show by the Dolly Sisters.
Judy Garland sang it in the 1941 film "Ziegfeld Girl".
It was subsequently sung by Jack Oakie in the 1944 film "The Merry Monahans" and was again featured in the 1945 film "The Dolly Sisters" (1945 in film), where it was sung by John Payne.
It was also included for part of the run (and in the cast album) of the 1973 revival of "Irene".
The song is a true popular standard, recorded by many artists over the years.
In the animated web series "Hazbin Hotel," Charlie sings the song at the very beginning of the pilot episode "
That's Entertainment".
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.
Harry Carroll
Harry Carroll (November 28, 1892, in Atlantic City, New Jersey – December 26, 1962, in Mount Carmel, Pennsylvania) was an American songwriter, pianist, and composer.
Joseph McCarthy (lyricist)
Joseph McCarthy
( September 27, 1885 – December 18, 1943) was an American lyricist whose most famous songs include" You Made Me Love You", and" I'm Always Chasing Rainbows", from the now- forgotten" Oh, Look!"( 1918), starring the Dolly Sisters, based upon the haunting melody from the middle section of Chopin's Fantaisie- Impromptu.
Born in the Massachusetts city of Somerville, McCarthy was a frequent collaborator of composers Harry Tierney( 1890 – 1965) and Fred Fisher( 1875 – 1942).
He was the director of ASCAP from 1921 to 1929.
Alexandru Cristea
Alexandru Cristea( 1890 – 1942) was the composer of the music for" Limba Noastră", current national anthem of Moldova.

Question: What nationality is the composer of song I'M Always Chasing Rainbows?
Answer: American