It was rumored that when Fleetwood Mac released this song that the lead singer Stevie Nicks actually thought she was Rhiannon. The song is about a witch. Nevertheless Stevie Nicks was a very charismatic and popular singer and Fleetwood Mac was a premiere band. Most of their albums went platinum as they churned out hit after hit. Their music appealed to many different genres. That’s probably why they were so popular. They are still touring today.