Enthusiasm V gushing
Personally, I think the day went really well, the teachers seemed genuinely delighted to see so many new faces and to bring their own strengths to the forefront, likewise, your strengths were tested I think mostly in "flying" (below) & holding poses a little longer (Yin Yoga) than you might normally!

The Nidra and meditation to round off the sessions were just what was called for, the feedback I have heard already has been phenomenally positive.
And of course, blowing out any remaining cobwebs with Kirtan, more of that to come!
I think it important that you know how powerful your voice is, so down at the bottom of the page is an opportunity to give us your feedback, not just from the yoga day, but moving forward; on how things can be improved...

But I can't help thinking how interesting that is to find in a cycling review that which we have found in our own Yoga practice- Enthusiasm.
This means enthusiasm is transferrable.
...This means that our spiritual practice is within us in the form of enthusiasm, and is expressed as yoga or dance, cycling, walking or whatever you place that energy upon.
In simple terms, If it brings you joy and pleasant feelings then it belongs in the category of "good for you" if it becomes laborious and tiresome, it is no longer serving you in the same way, so a review needs to happen. This can be scary, but ultimately is the more efficient way to use your energy as opposed to staying in a habitual mode that you may have outgrown.

This will then inform my practice and show me where my weaknesses are and then I can move forward into learning.
Feedback is one of those things, next to the "scorpion" pose, (look at the link below) which a yoga teacher (actually anyone- let's be frank) can feel a bit nervous about. But what it really is, is an opportunity to adapt and improve their sessions so that the attendees are getting maximum from their experience, and the teacher is meanwhile getting better at their job.