BFLAT

Set to 4 different clues across 4 published puzzles, most often “A neighbor” — The New York Times, Sunday, 24 October 2004.

5 letters

Every clue on record, most used first

A neighboronce
The New York Times — Sunday, 24 October 2004
Key of Schubert's Symphony No. 5once
The New York Times — Monday, 24 December 2001
Note above Aonce
The New York Times — Saturday, 15 January 1994
Common key signatureonce
The New York Times — Tuesday, 4 January 1994