The 2000s
 

Teen Pop: Continued to be a dominant force in the 2000s, with artists like Britney Spears and Christina Aguilera still in the spotlight. New stars like Miley Cyrus and Hilary Duff also contributed to the genre, focusing on catchy hooks and easily digestible lyrics.
Dance-Pop: Experienced a resurgence, with artists like Lady Gaga and Kelly Clarkson dominating the charts with their dance-friendly hits and strong vocal performances. Electronic elements became increasingly popular in mainstream pop.
Pop Punk: Remained popular with bands like Blink-182, Green Day, and Fall Out Boy. With fast-paced songs and light-hearted lyrics, pop punk continued to attract young listeners.
Indie Rock: Gained significant traction with bands like The Strokes, Arctic Monkeys, and Franz Ferdinand. This genre was characterized by a return to more guitar-driven music and a DIY ethic, often featuring introspective and personal lyrics.

Alternative Rock: Continued to flourish with bands like Coldplay, Radiohead, and Linkin Park, combining introspective lyrics with innovative soundscapes and diverse genre influences.
Post-Rock: Became more prominent during this period, with bands like Explosions in the Sky and Sigur Rós creating atmospheric music often used in film and TV contexts. This genre focused on instrumentation and soundscapes rather than traditional song structures.
Metalcore: A subgenre combining elements of metal and hardcore punk emerged, with bands like Killswitch Engage and Atreyu gaining recognition for their intense live performances and powerful sound.

Hip Hop: Further evolved to become one of the most influential music styles. Artists like Eminem, Jay-Z, and Missy Elliott found immense success, shaping the sound of the decade. The genre expanded with new subgenres like crunk and snap music.

R&B: Saw a fusion with hip hop and pop, with artists such as Usher, Alicia Keys, and Ne-Yo combining melodic vocals with hip hop beats. This blend helped bring R&B into mainstream success.

Dubstep: Began to gain traction toward the end of the decade, with artists like Skrillex helping popularize the genre, characterized by heavy basslines, sharp synths, and varying structures.