Considered a Christmas landmark of country music "Blue Christmas" was first recorded by Doye O'Dell in 1948 and popularized by Ernest Tubb the following year. Elvis effectively made "Blue Christmas" a steady classic Christmas rock-and-roll using his striking 1957 recording style.
She means that whenever they find out the truth they will turn against what they thought was right and become their allies. I would hope she became right. I don't actually know what this play is.
