“The Windmills of My Mind” is a truly great piece of music. Legrand wrote wonderful, romantic music. It always brings a smile of enjoyment to my face.
The song "Windmills of My Mind" is based on the melody from the 2nd movement of W. A.. Mozart's sublime Sinfonia Concertante for violin and viola.
Listen here for this inspired piece of genius: https://www.youtube.com/watch?v=gO8S2Mup2Ic