Once ___ midnight …”
nyt	2004	UPRIGHTPIANOS	Honky-tonk instruments
nyt	2004	UPROOTED	Forced out
nyt	2004	UPS	Downs' opposite
nyt	2004	UPS	Good times
nyt	2004	UPS	It was founded as American Messenger Co.
nyt	2004	UPS	Raises
nyt	2004	UPSETS	Bouts of gastritis
nyt	2004	UPSETS	Tournament shockers
nyt	2004	UPSIDE	Advantages
nyt	2004	UPSIDE	Positive aspect
nyt	2004	UPSIDEDOWN	How the answers to this puzzle's starred clues all appear
nyt	2004	UPSIZING	Expanding
nyt	2004	UPSTATE	Like Albany and Chicago
nyt	2004	UPSTATE	Northerly locale
nyt	2004	UPSWEPT	Not resting on the shoulders, say
nyt	2004	UPTO	What've you been ___?"
The 3rd letter is O
The 2nd letter is P
The 1st letter is U