“Feeling Good” (also known as “Feelin’ Good”) is a song written by English composers Anthony Newley and Leslie Bricusse for the musical The Roar of the Greasepaint – The Smell of the Crowd. It was first performed on stage in 1964 by Cy Grant on the UK tour and by Gilbert Price in 1965 with the original Broadway cast.
The song has also been covered by many vocal artists, i.e. Nina Simone, Michael Buble as well as various musicians. Please enjoy the following Yanagisawa sax share, the Michael Buble version (various artists).