How It Works - Eric Whitacre Choir June 19, 2019 13:43 Updated Follow In this How It Works video, Jack talks us through the Eric Whitacre Choir interface. How It Works: Eric Whitacre Choir Related articles How It Works - Eric Whitacre Evo Grid Where are the user manuals? Can I download my library to an external hard drive? What software do I need to run Spitfire libraries? "Error #1 Something went wrong" in Spitfire instrument Comments 0 comments Please sign in to leave a comment.