what is the song only one by kanye west about
"Only One" is a song by American recording artist Kanye West, featuring English musician Paul McCartney. The song was released on December 31, 2014 and was the first song released by West since the release of his sixth studio album Yeezus. Both artists co-wrote the song with Kirby Lauryen, Noah Goldstein, and Mike Dean. The song is a tribute to West's daughter, North, and is sung as a message to Kanye from the perspective of his late mother, Donda West.