" 'We caught lots of flack from the die-hard bluegrass fans,'
Mr. Osborne said of the group’s sometimes fraught relationship
with bluegrass purists in a 2011 interview with the online publication
Mandolin Café." — New York Times report of a June 27 death
Perhaps the Times meant "flak" . . .
"Flak is a contraction of German Flugabwehrkanone …." — Wikipedia
Or perhaps the Times meant Roberta Flack . . . "Killing me softly…."