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.
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.
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.
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.
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.
Roberta Flack
Roberta Cleopatra Flack (born February 10, 1937) is an American singer.
She is known for her No. 1 singles "
The First Time
Ever I Saw Your FaceKilling
Me Softly with His SongFeel Like Makin' Love"
; and "Where Is the Love" and "The Closer I Get to You", two of her many duets with Donny Hathaway.
Flack is the only solo artist to win the Grammy Award for Record of the Year on two consecutive years: "
The First Time
Ever I Saw Your Face" won at the 1973 Grammys and "Killing Me Softly with His Song" won at the 1974 Grammys.
Oasis (Roberta Flack song)
"Oasis" is a 1988 single written by Marcus Miller and Mark Stephens and recorded by Roberta Flack.
The single is the title track off her 1988 album of the same name, and was her first single to chart on the Hot Black Singles chart in four years.
"Oasis" went to number one on the Hot Black Singles chart for one week.
The single was the first time in ten years that Roberta Flack made the top spot.
"Oasis" did not chart on the Hot 100.
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.
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.

Question: Which country the performer of song Oasis (Roberta Flack Song) is from?
Answer: American