You can find players and audio/video material in this Obvibase spreadsheet:
You can sign in with your Google or Facebook account or email adress
The first column contains the content (audio, video, photo, score,…).
You can filter on the first row so that for example you get only the videos with jazz music made in 2015, single-handed hammering technique.
This library is being created at the moment, updated daily.
For all your questions:
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