Kid Ory, besides being a jazz trombonist, was also a bandleader (hiring many illustrious names in his career, including Louis Armstrong) and was composer of the Savoy Blues. Trying to find accurate information about the composition itself appears unseasonably difficult, but it seems to be (at least according to this page) one of the key pieces that drew the focus in ensemble performance toward key solo performances rather than keeping the group uniformly balanced.
As I cannot find accurate information I'd sooner not take the risk of saying anything too wildly innacurate, so shall leave the description of the piece at that and let those who wish to learn more do their own, probably more successful research.
As for the collection this is featured on, Hittin' on All Six: a History of the Jazz Guitar, it is a reasonable document of early jazz up to the 1960s, though it must be said the full history of jazz guitar does include its early development as a full-fledged jazz instrument, so many of the earlier tracks, such as the one featured do not feature guitar so prominently (Savoy Blues is more a cornet solo piece, but there is a guitar solo in there). I have also read a few reviews of it as being mediocre in terms of recording quality. What it lacks in quality it certainly more than makes up for in quantity (as Michel Gondry says, "quantity lasts and quality goes") and for the price this stands as a very decent introductory record for those wishing for a convenient starting point in the genre and/or early popular music history.
All songs hosted will be made available for 14 days only. They are designed to serve as samples, so if you like the music, throw some support the artists' way - it's how the music keeps on being made. If you are, or represent, an artist and/or own the rights to any music here and wish files removed, fire an email my way - splus7 AT liveDOT com (you ought to be able to derive an email address from that lot) - and I'll see to it that links to those files that concern you disappear.
The S+7 Method is an Oulipian constraint used to create new texts from existing works by replacing words with the next same word type - nouns, verbs, etc. - 7 on in a word list, usually a dictionary.
I shall apply a variation of this constraint to my music collection.
Eiron Page can also be found doing odd things in Benrikland.