Circus (Britney Spears album) "Circus" marked the longest time she had spent recording an album, adding, "I think it is more urban [...] I'm writing every day, right here at the piano in this living room" and also described the album as her best work to date. Producer Claude Kelly discussed the album's initial lack of concept saying, "When I went in with [Dr. Luke] we knew we were going to maybe write something for [Britney], but there was no concept, it was just knowing her style and knowing what she does. Max Martin, who produced Spears' debut single "...Baby One More Time", produced
Stronger (Britney Spears song) departure from the sort of candy-colored videos she was doing before, so I always thought this was the transition between Britney the teenage pop star and Britney the sort of diva she became." An alternate footage of the video can be found on the DVD of Spears first compilation album "". Kahn revealed that Spears' referenced Janet Jackson's "The Pleasure Principle" and "Miss You Much" music videos for the video's chair routine, saying her idea was inspired by "Janet Jackson's 'Pleasure Principle' — the iconic chair sequence in that". A review of the video also commented "Ms. Spears gives us