Conversation so far:
when was katy parry's first album under Katy Perry's stage name?
March 6, 2001.
what did she do between 1999 and 2001?
2001, and went on tour that year as part of Phil Joel's Strangely Normal Tour while also embarking on other performances of her own in the United States.
Was her first album as Katy Perry a hit?
Katy Hudson received positive reviews from critics, though was commercially unsuccessful.
When did Perry start gaining commercial success?
2005.
What was it that started gaining her popularity?
One of the songs she had recorded for her album with Ballard.
Which album did she record with Ballard?
CANNOTANSWER.
did she do more than record albums during this time?
Perry wrote and recorded material.
what kind of material did she record during this time?
CANNOTANSWER.
Are there any other interesting aspects about this article?
Perry had minor success prior to her breakthrough.

Question: Where was Perry most successful before her breakthrough?
Self-contained rewrite: Where was Perry most successful before Perry's breakthrough?