Q.R.S.; Long Island City, December 8, 1928: piano solo.
I don’t know anything specific about the Q.R.S record label but according to them, their “PRODUCTS are Better.”
I agree, that if you have Earl Hines on your label, your product is better!
Link to a 10 minute YouTube video clip with Earl Hines explaining his influences and demonstrating his signature “trumpet style” here. I think the clip’s been pulled from an episode of “Jazz Casual.” If you enjoy the piano style of Earl Hines, it’s definitely worth watching and hearing him speak about early jazz and his development.