we're all alive, and we're still in the middle of teen pop mania. ♪ don't want to hear you ♪ ♪ ain't nothing but a heartache ♪ >> boy bands were selling so many albums. ♪ every little thing i do never seems es enough for you ♪ >> this is the biggest year in pop music history in terms of sales. >> britney, britney, britney! >> britney spears selling 1.3 million copies of "oops i did it again." in the first week. ♪ oops i did it again i played with your heart ♪ ♪ got lost in the game oh baby baby ♪ >> everybody's falling in love with boy bands and girl groups. but then justin timberlake leaves nsync. ♪ i want to rock your body ♪ >> with his debut album, j.t. established what his sound would be and it's instantly appealing to a pop audience and also an r&b audience.