Who said "Music must flow as naturally as a river flows."?

This quote is attributed to Duke Ellington.

Music must flow as naturally as a river flows. - Duke Ellington

"Music must flow as naturally as a river flows."

Duke Ellington Art

Jazz Composer Pianist American 1899–1974

"Music is my life, it's my soul, it's everything I do in this world."

"Do not fear mistakes. There are none."

"A wise man doesn't give the right answer, he poses the right question."

"There are simply two kinds of music, good music and the other kind."

"The stage is my true home."

"Art is the expression of the soul."

"Living well means living properly."

"Art and music are the treasures of civilization"