Born in 1981, American singer Brandi Carlile grew up with the country music of her rural homeland. Even as a child, she was on stage with her mother. As a teenager, she increasingly turned to rock and later met twins Tim and Phil Hanseroth, with whom she formed a folk-rock band under her own name. Since then, the three musicians have formed an inseparable musical-family unit. (Phil Hanseroth married Brandi Carlile’s sister.)

The band’s greatest success was “The Story”, written by Phil Hansero...