This was a rather short session, but during the Jazz Masterclass a lot of this subject was covered.
It is beneficial for a classical player to now jazz and the other way around.
What can you learn from jazz?
Special exercise for jazz
Different modes
Play Clarke in different modes. C7 - (flat seven), -5 (flat five).
Bb and F# in C major.
Allen have done this so much that he has trouble playing Clarke in
Major keys.
Phrasing
When tempo goes up, straighten it out. Like in "jazz-writing":
Swing is written in straigh eight notes.
Doodle tonguing.