Jon Hendricks (born September 16, 1921 in Newark, Ohio, USA) is a jazz lyricist and singer. He is considered one of the originators of vocalese, which adds lyrics to existing instrumental songs and replaces many instruments with vocalists (such as the big band arrangements of Duke Ellington and Count Basie). Furthermore, he is considered one of the best practitioners of scat singing, which involves vocal jazz soloing. Wikipedia
In 1958 a unique multi-tracked recording of Count Basie tunes with Lambert and Annie Ross gave birth to Lambert, Hendricks & Ross. www.iaje.org/bio.asp?ArtistID=26
The definitive Wikipedia entry for Jon Hendricks. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Jon_Hendricks