10 Best Keyboard Expansions & Sound Libraries 2025

As a connoisseur of all things piano-related, let me tell you about the top 10 keyboard expansions and sound libraries we've reviewed. From Hal Leonard to other brands, we've scoured the market to bring you the finest selection of keyboard accessories in the game. Our team of experts has tested and scored each product, ranging from a 7.5 score up to a whopping 9.6 score. And speaking of high scores, the Hal Leonard Pride And Prejudice - Music From The Motion Picture Soundtrack Piano Solo book takes the cake with its outstanding score and magnificent sound quality. Get ready to elevate your piano playing to the next level with our top picks for keyboard expansions and sound libraries.