"Goodbye Blue Sky" is a song by the British progressive rock band Pink Floyd. It was released on The Wall album in 1979. The Future Sound of London covered it with the title "Goodbye Sky". Armenian-American alternative metal band System of a Down has also covered the song live on at least four separate occasions. Ann Wilson, lead singer of Heart, recorded a cover version of this song for her 2007 solo release Hope & Glory with her sister, Nancy Wilson.