Bob Dorough circa 1960. Jon Sievert/Michael Ochs Archives/Getty Images hide caption

itoggle caption Jon Sievert/Michael Ochs Archives/Getty Images

Michael Feinstein. Randee St. Nicholas/Concord Music Group hide caption

itoggle caption Randee St. Nicholas/Concord Music Group

Tegan and Sara celebrate Christmas in 1985. The sisters are featured on a new holiday album, Gift Wrapped II: Snowed In. Courtesy of Tegan and Sara hide caption

itoggle caption Courtesy of Tegan and Sara