Maroon 5 is an American rock band. Since debuting in 2002, the band has sold over 10 million albums in the United States and nearly 15 million worldwide. While they were in high school, the four original members of Maroon 5 played in a garage band called Kara's Flowers, which was active from 1994 to 2001. In 2002, the band members reformed as Maroon 5 and released their debut album Songs About Jane, but the album first topped Billboard charts in the US in 2004. Songs About Jane contained four hit singles: "Harder to Breathe", "This Love", "She Will Be Loved" and "Sunday Morning".