The United States has a rich and diverse music scene with many prominent singers spanning various genres. Here are some of the biggest singers known for their significant impact and popularity:

Pop

1. Taylor Swift – Known for her narrative songwriting, Taylor Swift has transitioned from country to pop and has a massive fanbase.
2. Ariana Grande – With her powerful vocals and wide range, Ariana Grande is a prominent figure in contemporary pop music.
3. Beyoncé – A global icon, Beyoncé is known for her powerful voice, stage presence, and contributions to music and culture.
4. Billie Eilish – Known for her unique style and voice, Billie Eilish has quickly risen to fame with her distinctive sound.

Country

1. Carrie Underwood – A leading figure in country music, known for her strong vocals and successful career since winning “American Idol.”
2. Blake Shelton – A popular country singer and television personality, known for his role on “The Voice.”
3. Luke Bryan – One of the top-selling country artists known for his energetic performances and catchy songs.

Rock

1. Bruce Springsteen – Also known as “The Boss,” Springsteen is a legendary figure in rock music with a career spanning several decades.
2. Dave Grohl – As the frontman of Foo Fighters and former drummer of Nirvana, Grohl is a prominent figure in rock.

Hip-Hop/Rap

1. Kanye West – A highly influential rapper and producer known for his innovative music and outspoken personality.
2. Drake – One of the best-selling music artists, Drake has a significant influence in both hip-hop and pop music.
3. Kendrick Lamar – Acclaimed for his lyricism and storytelling, Kendrick Lamar is considered one of the greatest rappers of his generation.

R&B/Soul

1. Alicia Keys – Known for her soulful voice and piano skills, Alicia Keys has been a leading figure in R&B for years.
2. John Legend – A versatile artist known for his smooth voice and hit songs across various genres.

Legacy Artists

1. Elton John – Though British, Elton John has had a significant impact on the American music scene.
2. Madonna – Known as the “Queen of Pop,” Madonna has been a defining figure in pop music for decades.

This list is by no means exhaustive, but it highlights some of the most influential and popular singers in the United States across different genres.