Music › The Vertebrates Song Backing Track Image 1 of 1 The Vertebrates Song Backing Track $4.00 Karaoke/backing track track for the Vertebrates animal classification song by Hopscotch. Get notified by email when this product is in stock. Add To Cart Added! Karaoke/backing track track for the Vertebrates animal classification song by Hopscotch. Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More You Might Also Like Quick View Alphabet Phonics Backing Track $4.00 Quick View The Photosynthesis Song Backing Track $4.00 Quick View Count by 11s Backing Track $4.00 Quick View 2D Shapes Song Backing Track $4.00 Quick View The Setting Boundaries Song Backing Track $4.00