I use these forms as a general method of organizing our practice- not everything assigned has to be practiced at every practice session. For example only play warm-up exercises once each day, so if you decide to practice a second time, focus on other materials.
Long Tones (click here), titled Nutrients III
This is our most important exercise for developing our sounds.
This is a very useful exercise for using the previously developed sounds in more functional ways- to get all over the range of our instruments.