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
The Circus Starring Britney Spears Alanis Morissette songs on some North American dates. The Circus Starring Britney Spears generated positive to mixed reception from critics. While some praised its aesthetics and deemed it as an entertaining show, others criticized Spears' lack of involvement during some segments. The tour was a commercial success, with a total gross of $131.8 million. This made The Circus Starring Britney Spears one of the highest-grossing tours of the decade. A great number of tickets were sold within a week of the tour's announcement, which prompted supporters to add more dates. The tour also broke attendance records in many cities and