Charlie Parker
Charles Parker Jr. (August 29, 1920 – March 12, 1955), also known as Yardbird and Bird, was an American jazz saxophonist and composer.
Parker was a highly influential jazz soloist and the leading figure in the development of bebop, a form of jazz characterized by fast tempos, virtuosic technique and advanced harmonies.
Parker was a blazingly fast virtuoso, and he introduced revolutionary harmonic ideas including rapid passing chords, new variants of altered chords, and chord substitutions.
His tone ranged from clean and penetrating to sweet and somber.
Parker acquired the nickname "
Yardbird" early in his career on the road with Jay McShann.
This, and the shortened form "Bird", continued to be used for the rest of his life, inspiring the titles of a number of Parker compositions, such as "Yardbird SuiteOrnithologyBird Gets the Worm", and "Bird of Paradise".
Parker was an icon for the hipster subculture and later the Beat Generation, personifying the jazz musician as an uncompromising artist and intellectual rather than just an entertainer.
Astrid North
Astrid North( Astrid Karina North Radmann; 24 August 1973, Berlin – 25 June 2019, Berlin) was a German soul singer and songwriter.
She was the singer of the German band, with whom she released five Albums.
As guest singer of the band she published three albums.
Ornithology (composition)
"Ornithology" is a jazz standard by bebop alto saxophonist Charlie Parker and trumpeter Benny Harris.
Kristian Leontiou
Kristian Leontiou (born February 1982) is a British singer of Greek Cypriot descent, and is the singer for the indie rock band One eskimO.
Chris Robinson (singer)
Christopher Mark Robinson( born December 20, 1966) is an American musician.
He is the singer of the rock and roll band
The Black Crowes, is the brother of its guitarist Rich Robinson, and is the vocalist and rhythm guitarist for the Chris Robinson Brotherhood
Dáithí Sproule
Dáithí Sproule( born 23 May 1950) is a guitarist and singer of traditional Irish music.
His niece is the singer Claire Sproule.
Mike Williams (singer)
Michael IX Williams is the singer of American sludge metal band Eyehategod and the former associate editor of "Metal Maniacs".
He has also worked on other projects.
Bernie Bonvoisin
Bernard Bonvoisin, known as Bernie Bonvoisin( born 9 July 1956 in Nanterre, Hauts- de- Seine), is a French hard rock singer and film director.
He is best known for having been the singer of Trust.
He was one of the best friends of Bon Scott the singer of AC/ DC and together they recorded the song" Ride On" which was one of the last songs by Bon Scott.
Caspar Babypants
Caspar Babypants is the stage name of children's music artist Chris Ballew, who is also widely known as the singer of The Presidents of the United States of America.
Billy Milano
Billy Milano is a Bronx- born heavy metal musician now based in Austin, Texas.
He is the singer and- occasionally- guitarist and bassist of crossover thrash band M.O.D., and he was also the singer of its predecessor, Stormtroopers of Death.
He was also the singer of United Forces, which also featured his Stormtroopers of Death bandmate Dan Lilker.

Question: What nationality is the performer of song Ornithology (Composition)?
Answer: American