Filed from 2 published puzzles

EXTRAVAGANZA

Set to 2 different clues across 2 published puzzles, most often “Big production” — The New York Times, Saturday, 7 June 2008.

12 letters

Every clue on record, most used first

Big productiononce
The New York Times — Saturday, 7 June 2008
Really big showonce
The New York Times — Saturday, 24 July 2004

Other answers to these clues

EPIC4 letters
EXPO4 letters
OPUS4 letters