If you click on the above link it will let you see the original written sheet music for this tv series theme tune it may take a minute to load and you will need adobe pdf reader. Below is the front cover published by Gerrard Music of the song to the series.
Taken from 1968 published by Gerrard music, next to this is the radio times from 1978, to enlarge just click on the picture.
Use the pdf sheet music to record your version of the famous song and i will post it to my site.: