DG, during college days (a few decades ago) I got to participate in a couple of Gary's master classes. He did a tremendous amount of presentations for grade schoolers as well as master classes for all levels of players, not just the best of the best (I started playing bass very, very late).
The Gavotte he played for grade schoolers (using it to tell a story of Fly Fly, the fly, and an elephant IIRC), is, unfortunately, no longer in print.
Side note to get back on topic: one of the reasons I so appreciate the VSL Solo Strings library is that the solo bass in it can come surprisingly close to being able to mimic what one can actually do with a bass bow (the stretch feature really helps here).