This is an arrangement of 633 Squadron for Brass Quintet, transcribed by ear from the 2m 41s recording widely available - at the same pitch.

 

Here is a copy of the title page. The score and parts are for sale as pdfs. The score is 6 sides, the parts are two sides each. Contact me at geoffrey.cloke@gmail.com .

http://www.geoffcloke.co.uk/633SquadronTitle.pdf

Here is an MP3 of EXTRACTS from the Sibelius recording. There are one or two places where Sibelius doesn't quite handle the closeness of the notes with complete clarity, but it is 90% good, and shows some of what is for sale:

 

 As with other arrangements, score and parts are free.