this brought tears to my eyes. I love donna noble and I always will. She is and will forever remain my favorite companion for this reason. To me, she seems more relatable than any other of the doctor's companions.
My fiance's phone has the lightsaber sound assigned for my incoming texts. But his female bff (and groomsgirl) gets the TARDIS sound. Trying to not be jealous.) -- lightsaber sound for him, tardis sound for her - how have I not thought of this?