How It Works - Hauschka Composer Toolkit March 22, 2022 12:57 Updated Follow In this video, Jack demonstrates the user interface control for the Hauschka Composer Toolkit Library. Related articles How it Works: Kepler Orchestra Heirloom FAQ Kepler Orchestra FAQ What other Spitfire libraries will Kepler Orchestra work well with? If I upgrade to Hans Zimmer Percussion Professional later, will I need to keep both libraries?