. >> their manager lou pearlman said i think i need another one of these. ♪ tearing up my heart whenl, justin timberlake, cristina aguilera, j.c. chasez, ryan gosling, britney spears. >> that's like the 1927 yankees in terms of pop. ♪ oh baby baby ♪ how was i supposed to know ♪ that something wasn't right here ♪ >> teenagers are the biggest consumers of music, and britney has become their queen. ♪ i'm not that innocent ♪ oops i did it again >> britney was the madonna whereas christina was like the mariah. ♪ i'm a genie in a bottle >> christina, you know, very tiny girl, she's under 5 feet. and when she opened her mouth, it was like this burst of like wind came through your hair. you were like, that voice is coming out of that girl? >> the end of the '90s is a really precarious strange time for music because mtv stops playing music videos and starts doing some more kind of reality television programming which everyone's like that's never going to take off. >> music would be as much or more in people's lives than it ever had been, but the economics of it would vanish. ♪ another turning