The punk singer and jazz-pop chanteuse link voices on a harmonious remake of the Everly Brothers' 1958 album of vintage country and folk.
The typical label executive might not have foreseen harmony in a medley of Green Day's Billie Joe Armstrong, jazz-pop singer Norah Jones and a vintage Everly Brothers album of cowboy laments and dusky folk tunes.
That's why Armstrong and Jones, as Billie Joe + Norah, recorded Everlys homage Foreverly, out this week, under the radar.
"We didn't tell anybody we were making this record," Armstrong says. "We didn't tell our label. Our management barely knew.