Letter from Ralph Vaughan Williams to an unidentified gentleman

Letter No.: 

music and nothing else.
With regard to my new symphony1, I have used in it some of the music which I wrote for the film, Scott of the Antarctic.
Yours faithfully,
R Vaughan Williams
P.S. Plain Mr. please. Or Dr, if your prefer it.

1.  Sinfonia Antartica.

Location of original letter:

General notes: 

Typewritten, signed.
Transcription taken from an image of the letter on Google, comprising the verso of the letter only.