If drums are bells, you should see how Nicolas Bras [1] modifies the sound by damping some of the nodes of the drum. Are you saying all bell are radially symme

If drums are bells, you should see how Nicolas Bras [1] modifies the sound by damping some of the nodes of the drum. Are you saying all bell are radially symmetric? [1] https://www.youtube.com/watch?v=fXavtyyyj34 https://www.youtube.com/watch?v=fXavtyyyj34