Well, I think you better get a new box of tissues, since you'll be pleased to know that I always allow people to make covers for my lyrics provided they give credit to the works of all authors- That be for the lyrics, the artworks/animation, should they decide to ask someone for it, and the music.
Also, I'm absolutely over-the-moon that you enjoy the lyrics- Only thing I wish I could do is work up the brainpower to write again.