With that in mind, I refer to the following video of Fleetwood Mac's song "Rhiannon" recorded from a concert in 1976. "Rhiannon" was written by Nicks and is one of the hit singles from the band's eponymous 1975 album. In this performance, Fleetwood Mac is in top form, however, it is Nicks who delivers raw, even haunting, vocals to a song about "about an old Welsh witch," as she often referred to it in concert.
At the 4:10 mark through the crescendo at the close, Nicks seems to transform herself into someone, or something, otherworldly. Or, perhaps, possessed. Nicks, in a word, 'crushes' this performance. Every time I watch this video, I am blown away, and I often use it as an impetus for digging a little deeper and opening myself up just a little more with my own writing.