. - their manager lou pearlman said, "i think i need another one of these." - ♪ tearin' up my heart ♪ling, britney spears... - that's like the 1927 yankees, in terms of pop. [piano chords] - ♪ oh baby, baby ♪ ♪ how i was supposed to know ♪ ♪ ♪ ♪ that something wasn't right, here? ♪ - teenagers are the biggest consumers of music, and britney has become their queen. [together] ♪ 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 ♪ - ♪ whoa-oh, yeah ♪ - christina, you know, very tiny girl-- she's under five 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?" [cheers and applause] - ♪ come on, come on ♪ ♪ come on ♪ [cheers and applause] - the end of the '90s is a really precarious, strange time for music, because mtv stops playing music videos. they start doing this more, kind of reality television programming, which, everyone's like, "that's never gonna take off." [laughs] - music would be as m