The video embedded at the bottom of this post was made available by the Library of Congress on their YouTube channel two days ago.
The presentation itself took place at LC on September 4, 2014.
From the YouTube Blurb:
This session is another in a series that introduces staff to BIBFRAME. The speakers will demonstrate the BIBFRAME Editor, the tool to input bibliographic data into the BIBFRAME format, and will highlight other developments.
Speaker Biography: Beacher J.E. Wiggins is director for Acquisitions and Bibliographic Access at the Library of Congress.
Speaker Biography: Kevin Ford is digital project coordinator in the Network Development and MARC Standards Office at the Library of Congress.
Speaker Biography: Paul Frank is cooperative cataloging program specialist in the Cooperative and Instructional Programs Division at the Library of Congress.
A text transcript is also available.