Yes, we did have the music playing. The awesome mountaintop sound system was my phone using it's own speaker placed beside the camera. Aside from the wind blowing, it was dead-quiet up on the summit, so it was enough for us that we could hear it.
Yes, I consistently dance on the balls of my feet (regardless of backpacking boots). I just found out many years ago, that this was the best way I could dance a tango.