Conversation so far:
what happened in 2003 involving the musical Gypsy?
A new Broadway revival began previews on March 31, 2003 and opened on May 1, 2003 at the Shubert Theatre.
was the revival successful?
Gypsy twice set new box office records for the Shubert Theatre
how long did Gypsy run?
After an increase in the gross, the show's closing was postponed indefinitely, but Gypsy finally closed on May 30, 2004 after 451 performances and 33 previews

Question: what was the record?
Self-contained rewrite: what was the record?