Oprah Winfrey interviews Michael Singer, author of The Untethered Soul. In his first-ever television interview, Singer sits down with Oprah to talk about how we can all find a greater sense of inner peace and spiritual freedom.Oprah Winfrey interviews Michael Singer, author of The Untethered Soul. In his first-ever television interview, Singer sits down with Oprah to talk about how we can all find a greater sense of inner peace and spiritual freedom.