Great choice!
Paul Desmond is one of my favorite jazz musicians. I've also got the Desmond/Hall Mosaic box and often don't bother to note which songs go with which album. I only wish I'd also bought the CD version, as it would be nice to listen to this stuff without surface noise, but that's a minor point. (The only Mosaic I play more often than this is the Shorter/Morgan Vee-Jay.)