What A Wonderful World and Wonderful World and other variations were song titles of different popular songs. In 1960, Sam Cooke reached number 8 with a song he wrote with Herb Alpert. In 1965, Herman's Hermits made this a number 4 song. In 1978, Art Garfunkel With James Taylor & Paul Simon brought the song back to number 6.
A second similar song title was a song made famous by Louis Armstrong in 1968, reaching UK number one. In 1988, the song reached number 28, becoming more popular in the US than ever. In 1999, saxophone player Kenny G added his touch to it, and the song was played again.
In 1993, Israel Iz Kamakawiwo'ole created a reggae version of a song medley, Over The Rainbow/What A Wonderful World, made famous by Judy Garland and Louis Armstrong respectively, which eventually became popular worldwide. It was most popular in the US in 2004. Cliff Richard made a concert version of this revamped medley in 2001.
The James Morrison title was a third different song.