Carlile is the third person to say she won't appear at the Fortune Most Powerful Women Summit.
In an interview, the singer-songwriter talked about her new Grammys and upcoming tour.
"The Joke" singer dedicated one of her three wins to her fellow "misfits."
“At the very least it can give someone hope,” said Carlile, the most-nominated female artist at this year's Grammys.
Stars including Cardi B, Leon Bridges, Brandi Carlile and Janelle Monáe have publicly thanked the former president for the recognition.
As so many promising bands and veteran acts have already expressed, a stop at Planet Bluegrass is like living in another world.