<P> The song first appeared in Discoveries, a 1939 film by Carroll Levis, where it was sung by the boy soprano Glyn Davies . After war broke out on September 1, the song became a hit for Vera Lynn . Within the first two months of the war, 200,000 copies of the sheet music were sold . </P> <P> A version of this song was sung by Tiny Tim at the 1970 Isle of Wight Festival . The punk band The Sex Pistols are also famous for entering on stage to this tune . It is also the name of their only live DVD . </P> <P> An instrumental version was used for the theme tune of the BBC Radio comedy satire Little Blighty on the Down . </P>

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