The video:

And here’s the link for more information.
https://infocanvas.upenn.edu/guides/poll-everywhere/

SAS faculty and staff members may request a PollEverywhere account here:
https://www.sas.upenn.edu/computing/form/polleverywhere-account-request

I’m adding the following video by simply pasting its URL on a line by itself.

We’re playing Bach’s Arioso. Christian Kuphal is playing flute. Dale Blair is playing the piano. I’m playing oboe on an Electronic Wind Instrument.