Complex sentence: The White Stripes were gaining momentum with their previous three albums and were generally lauded in critical circles, and many critics hailed "Elephant" as one of the defining events of the 2000s garage rock revival.
Split into simpler sentences: The White Stripes were gaining momentum with their previous three albums and were generally lauded in critical circles. Many critics hailed it as one of the defining events of the 2000s garage rock revival.