Additional Details ------------------------------ Product description: Harmony' Is The Follow-Up To Never Shout Never'S Critically Heralded Debut 'What Is Love?,' Which Bowed At No. 24 On The Billboard Top 200 Album Chart, No. 2 On Both The Alternative And Rock Charts, No. 6 On The Digital Album Chart, And No. 11 On The Internet Album Chart Upon Its Release.'Harmony' Was Produced By Veteran Producer Butch Vig, Who Is Best-Known For His Work With Green Day, Nirvana, And Smashing Pumpkins.