DISC 1 is a 41-minute dusk-until-dawn listening experience––when most desert animals are active. This IMMERSIVE, RELAXING AUDIO PROGRAM WITH NO NARRATION is designed for continuous listening, based on 40 years of field observations and sound recording by the producer. Features a summer monsoon storm, 27 species of birds, 5 mammals, 1 reptile, 8 toads/frogs, and 4 insects––wild voices that are rapidly being muted in today's mechanized world. DISC 2 is AN EDUCATIONAL SPECIES INDEX, a narrated reference guide for listeners, with sound clips of wildlife featured on Disk 1. Tracks are alphabetized by species for easy access. Includes a 16-page PRINTED BOOKLET. NEW––Not Available through Amazon! “Very entertaining, educational, and extremely well done! Many bird voices were familiar to me, others an education. Howling coyotes and thunder, lightning and gushing rain . . . never heard surround sound so impressive before!” ~ Angelika Siewert, Michigan customer