Music › The Engineer Song Backing Track Image 1 of 1 The Engineer Song Backing Track $4.00 Karaoke track for The Engineer Song by Hopscotch Get notified by email when this product is in stock. Add To Cart Added! Karaoke track for The Engineer Song by Hopscotch Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More You Might Also Like Quick View Doubles Addition Facts Backing Track $4.00 Quick View The Color Orange Song Backing Track $4.00 Quick View Seven Continents Backing Track $4.00 Quick View Count by 10s Backing Track $4.00 Quick View 2D Shapes Song Backing Track $4.00