"4" by Beyoncé is a CD released in 2011 under the record label Sony. The album falls under the genre of Urban music and features Beyoncé's signature style blending R&B, pop, and soul. With hit songs like "Love on Top," "I Like the Sound of That," and "Swim to Me," this album showcases Beyoncé's vocal prowess and musical talent, making it a must-have for fans of contemporary pop music.