This is a study written over the changes to All the Things You Are. You can practice it slurred and with many different articulations including double tonguing. The idea is to be developing your fundamentals (finger dexterity, articulation etc.) while internalizing the changes and some possible chord scales at the same time.
Sound example: Study on All the Things You Are Changes, Tempo=120
Study on All the Things You Are Changes
created by DHtrumpet