Quoc: Although Bricusse and Newley shared songwriting credits, the words of the song are usually attributed to Bricusse, with the music by Newley. The song was first performed in public by the Guyanese-British singer and actor Cy Grant on the opening night of The Roar of the Greasepaint -- The Smell of the Crowd at the Theatre Royal in Nottingham on 3 August 1964; Elaine Paige played the part of one of the "Urchins" in the chorus. The show, directed by Newley, toured British provincial theatres, and was then taken to the US by theatre producer David Merrick. It opened on 16 May 1965 at the Shubert Theatre in New York City, where the role of "the Negro", who sings "Feeling Good", was taken by Gilbert Price.

Answer this question based on the passage: who is the original singer of feeling good?
HW Chung: OK, some thoughts:
To answer the above question, the relevant sentence is: The song was first performed in public by the Guyanese-British singer and actor Cy Grant on the opening night of The Roar of the Greasepaint -- The Smell of the Crowd at the Theatre Royal in Nottingham on 3 August 1964; Elaine Paige played the part of one of the "Urchins" in the chorus. The answer is the Guyanese - British singer and actor Cy Grant.