Who said "A good composer must be a good listener first."?

This quote is attributed to George Gershwin.

A good composer must be a good listener first. - George Gershwin

"A good composer must be a good listener first."

George Gershwin Wisdom

Jazz Composer Pianist American 1898–1937

"Life is a lot like jazz - it's better when you improvise"

"I frequently hear music in the very heart of noise"

"The real American folk song is a rag"

"True music must repeat the thought and inspirations of the people and the time"

"I'm not angry, I'm just disappointed."

"The best things in life are free."

"You can't have everything in life, but you can have what matters most."

"A woman's intuition is rarely wrong."