'American Horror Story: Coven' SPOILERS: Stevie Nicks Talks Season 3 Two-Episode Arc: 'Do They Know I'm Not An Actress' (VIDEO)

Stevie Nicks is set to make her two-episode guest arc on "American Horror Story: Coven" on Wednesday, and dished on working with Ryan Murphy and his cast.

Murphy connected with Nicks after his show "Glee" covered her band Fleetwood Mac's songs in season two, according to The Hollywood Reporter. So when the FX series creator told her about "American Horror Story: Coven" character Misty Day's obsession with her music, she was highly intrigued.

"I know how beautifully they handled the music on Glee, so I knew that this would be great," Nicks told THR.

"In my mind, I was seeing myself walking through the big white house with the big black dress, beautiful hair, makeup and fan and just walking in and saying, 'Here I am! You can all go now,'" Nicks said.

Nicks reportedly stayed on the AHS set for five days. The singer told THR she was terrified of acting on the show, and her first reaction when she received the script was, "Do they know I'm not an actress?"

However, Nicks enjoyed her time on set and said she would never forget a moment she shared with actress Jessica Lange.

"They chose them because 'Rhiannon' was Misty's anthem and 'Has Anyone Ever Written Anything for You' can work for anyone in the world when they've had a very long, bad day," Nicks told THR. "It was really a beautiful thing; it was like a dream. Everybody just moved slowly. I figured that those times will never come again. When I'm 90 years old and I look back over my life, I'll remember Jessica Lange leaning over the piano and saying, 'That was a difficult day,' and walking over to the couch. I'll never forget it."

Nicks also talked about her admiration for Murphy's writing style and story-telling, according to THR.

"It's a horror story told through the eyes of a fairy tale," Nicks said. "Ryan really does write about misfits, whether it's Glee or American Horror Story, and I was a misfit. I traveled around in high school. I was the new girl before the eighth grade, before the 10th grade, so I understand that. I thought by the second episode of Coven that it would take my music to a whole other generation. From 14- and 15-year-olds to 40-year-olds and expose it people that have never heard my music or never heard anything about me really. So as a writer, that couldn't be better, because as a writer, we just want to affect people."

"American Horror Story: Coven" airs on Wednesdays at 10 p.m. on FX.

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