This classic has been covered by so many, but I like the Natalie Cole version the best - and so here it is.  Solos can be in either Piano or Vocal Scat in first section, 1st Tenor or 1st Trombone in the second.
 
To here the score playback, click here: https://youtu.be/hq-cptYxDNE
 
To here a live performance of this chart, click here: https://youtu.be/Nbcg3uXMlX4