When was the album "So What" is on added to the National Recording Registry?
Kind of Blue: Kind of Blue is a studio album by American jazz trumpeter Miles Davis. Kind of Blue:  The album was one of fifty recordings chosen in 2002 by the Library of Congress to be added to the National Recording Registry, and in 2003 it was ranked number 12 on "Rolling Stone" magazine's list of the 500 greatest albums of all time.
i don't know