Emmylou Harris' expansive catalog showcases her captivating vocal talents. Her skill and versatility are always evident, whether she's flying solo, crooning in a twangy trio with kindred spirits Dolly Parton and Linda Ronstadt (“Even Cowgirls Get the Blues”), supplying Gram Parsons with grievously angelic harmonies (“That's All It Took”), or adding filigree to a performance with The Band (“The Last Waltz Suite: Evangeline”).