New Delhi, Feb. 8 -- Brad Arnold, the lead singer and founding member of American rock band 3 Doors Down, has died at the age of 47 after a battle with cancer.

According to a representative, Arnold passed away peacefully in his sleep on Saturday, surrounded by his wife and family. News of his death has prompted an outpouring of grief from fans and fellow musicians who credit him with shaping one of the most recognisable sounds in early-2000s rock.

Arnold was best known as the voice behind 3 Doors Down's breakout hit "Kryptonite", a song that became a defining anthem of modern rock radio. He helped form the band in 1996 in Escatawpa, Mississippi, alongside guitarist Matt Roberts and bassist Todd Harrell. Though Arnold originally began as...