Filed from 3 published puzzles

FESTS

Set to 3 different clues across 3 published puzzles, most often “Themed events” — The New York Times, Thursday, 13 August 2009.

5 letters

Every clue on record, most used first

Themed eventsonce
The New York Times — Thursday, 13 August 2009
Happy gatheringsonce
The New York Times — Sunday, 4 May 2008
Fun or song followersonce
The New York Times — Friday, 9 January 2004