now in the new easter special at the end a physcic tells the doctor(and this is is a Quote):lady:no,but u be carefull,because ur song is ending sir.
dr:what do u mean.
lady:it is returning,it is returning through the dark,and then doctor oh but then....he will knock 4 times.


Now if u remember the masters theme was duh duh duh duh over and over again. now watch these videos

http://www.youtube.com/watch?v=935ky9L3u8U

http://www.youtube.com/watch?v=935ky9L3u8U