Only Two Young Explorers Stand in the Way of the Mad Bram's Horrible Revenge—the Releasing of His Trillions of Man-sized Beetles upon an Utterly Defenseless World.
the Beetle Horde (the story) was written by Victor Rousseau and was published in ASTOUNDING STORIES OF SUPER-SCIENCE, VOL. I, No. 1, January 1930.
This is an excerpt from my 2020 album Astounding Stories, Vol. 1. The full soundstory is 09:48