Sierra Spirit Kihega, better known as Sierra Spirit, is a Native American singer and songwriter from Oklahoma. Having just released her first EP this past October, coin toss, Sierra is now on tour opening for British musician David Gray. We had the opportunity to speak with Sierra in Boston before the tour’s opening night to discuss her EP, touring with Gray, and more. Thank you so much for taking the time to sit down and chat with us for a bit. For those reading who aren’t familiar with your name, what are three words you would use to describe yourself and your music? Sierra Spirit: “I’d say folky, Americana, and very story-driven.” I love that! So your EP Cointoss came out this past October, I’m curious to know how you decided on that for the name. “I had a friend in college actually, wh...