Jon Hendricks fitted the words to the actual solo. Sorry, giving the credit to MT didn't feel right. Article about it:
Clifford Brown’s “Joy Spring”: Jon Hendricks’ Vocalese Genius https://www.tuneintoleadership.com/blog/jon-hendricks-vocale...
Jon Hendricks was awesome! Hear his scatting (and lyrics) on Airegin: https://www.youtube.com/watch?v=Ul54NWmwLxs