A segment featuring Django Reinhardt, from the Ken Burns documentary, Jazz. You can access the entire documentary through the library's website via Films On Demand.
The library has many jazz CDs that can be checked out; a search of audio CDs, using jazz as a keyword, produces this list.
You can also search the catalog by performer name; for example, using "Davis, Miles" as author produces this list of Miles Davis CDs available at the library.
Restricting a search to Video and using "jazz" as a subject provides this list of DVDs and Blu-rays.