Some traits of the user's true Time Lord self still remained after the use of the Chameleon Arch. For example, John Smith was able to use a simple cricket ball to deliberately cause a complex chain of events to save a mother and her baby from being crushed by a falling piano. Smith also kept a dream journal in which he chronicled memories of the Doctor's adventures. (TV: Human Nature/The Family of Blood) heard drums beating in his head all his life, a burden the Master also faced. (TV: Utopia/The Sound of Drums/Last of the Time Lords)