Conversation so far:
When did Utada Hikaru try the international market?
Utada Hikaru released her English-language debut album Precious in early 1998.
Was Utada Hikaru's album Precious popular?
Utada Hikaru's Precious albumwas a commercial failure.
Was Utada Hiraku's album Precious popular worldwide or was this before her cross-over to the international market?
Utada Hikaru's Precious album was released before her cross-over to the international market.
Did Utada Hiraku leave Japan during the time she tried to cross-over to the international market?
Utada Hikaru moved back to New York in 2004.

Question: What did she do there?
Self-contained rewrite: What did Utada Hiraku do in New York?