Who said "When something's not right, you know it."?

This quote is attributed to Louis Armstrong.

When something's not right, you know it. - Louis Armstrong

"When something's not right, you know it."

Louis Armstrong

Jazz Trumpeter Vocalist American 1901–1971

"What we play is life"

"If you have to ask what jazz is, you'll never know"

"I think we have only one life and life is now"

"Music is life itself. What would this world be without good music"