Take a letter miss gray

Take a letter Miss Gray it must go out today
And I think you already know what it's gonna say
It's to the one I'm tied to the one I'm leaving for you
Tell her that it's all over and I can't help what I do
Make it straight and to the point there's no use lying that won't do
Make three copies one for her one for me and one for you
And you can tell her you're the one and just sign it simply John
And oh yes PS please forgive what I've done