The 2000s saw rock music evolve in bold and varied directions, blending old-school energy with modern innovation. Alternative and indie rock flourished with bands like The Strokes, Arctic Monkeys, and The White Stripes leading a garage rock revival. Post-grunge and hard rock acts like Foo Fighters, Linkin Park, and Evanescence dominated airwaves, while emo and pop-punk exploded through My Chemical Romance, Fall Out Boy, and Paramore. At the same time, progressive and post-rock gained ground with artists like Muse, Tool, and Sigur Rós. The decade showcased rock’s adaptability, thriving through reinvention and emotional resonance.