Dusty Hill's passing is expected to significantly impact ZZ Top's legacy, as he was a crucial member of the band and contributed to their distinctive sound. Fans express deep appreciation for early albums like "ZZ Top's First Album," "Rio Grande Mud," and "Tres Hombres," highlighting the band's influential role in rock music. The discussion reflects on how Hill's absence may alter the band's future performances and recordings. Many believe his legacy will endure through the band's classic hits and their lasting influence on rock. The sentiment is that ZZ Top's music will continue to resonate, even as they navigate this loss.