1. Music. You can setup the music in different ways in Zoom and here are some tips under the section ZOOM
2. Zoom has got the possibility to change the background but it doesn't work very well as people cannot see you well when you move around. There are some screens called Green Screens that can be put at the back
This is one, but there are several ones. Background Green Screen
3. Put your device 30 cm from the floor so that people can see you if you are up or if you do floor work.