This is a photo of a Union Navy ship’s minstrel band.
Question to ponder: What’s the one on the left up to?
“Dem bones, dem bones…”
He isn’t doing anything. He’s obviously bone idle.
Looks to me like halfway through a ripping version of Ships are sailing his concertina ripped apart and he almost choked in a cloud of dust.
Slan,
D. 
Ghosts!!! There are ghosts in the picture!!! AAIIIIEEEEEE!!!
He’s saying: “Where are the girls in knee-highs? They told me there would be girls in knee-highs!”
Or: “Whaddayou looking at? Perky just through me bodhran overboard!”
Looks like “Freddie” to me - he’s got a cloth to wipe up the mess.
I’m stuck on Hallowe’en still
… I see dead people…
He has a look of this about him: 
Steve