Not sure what the celebration might have been, but here's a photograph I just received from the estate of a jazz collector showing Katherine Henderson standing over her father, W. C. Handy.
Early Every Morn: Katherine Handy v and possibly on piano.
Loveless Love: Katherine Handy v / Handy's Memphis Blues Orchestra: probably including Johnny Dunn c / George Williams tb / James Osborne cl, as / Bobby Lee p.
Recorded in New York, January 1922.