GFLAT
Set to 5 different clues across 5 published puzzles, most often “Black piano key” — The New York Times, Sunday, 24 September 2006.
5 letters
Every clue on record, most used first
- Black piano keyonce
The New York Times — Sunday, 24 September 2006
- Key of Chopin's "Butterfly" Étudeonce
The New York Times — Thursday, 7 April 2005
- A black keyonce
The New York Times — Sunday, 1 August 2004
- Chopin's fifth étude is in itonce
The New York Times — Saturday, 27 March 2004
- Chopin's Polonaise No. 16 in ___once
The New York Times — Monday, 22 January 2001