"Who' Sit" or "Who'sit" is played by Louis Armstrong & His Hot Five
OKeh 8357
June 16, 1926.
Louis Armstrong & His Hot Five
Louis Armstrong
Kid Ory
Johnny Dodds
Lil Armstrong
Johnny St. Cyr
The “Hot Five” never played live in public.
This is a "Truetone" recording, which means acoustic.
Victor and Columbia had an "exclusive" monopoly on on electric recording patents for two years.
Okeh didn't possess rights to the Western Electric System until 1927.