The Day the Earth Stood Still (Robert Wise, 1951) (via)
Der Tag, an dem die Erde stillstand (1951)
>> http://de.wikipedia.org/wiki/Der_Tag,_an_dem_die_Erde_stillstand_%281951%29

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Vincent Ray, 2 years ago: After this soundtrack the theremin became the go-to instrument for sci fi flicks.

Rich Eaton, 2 years ago: Bernard Herrmann was a genious. This score is quite sophisticated on a number of different levels. He captured the feel of radar perfectly. You can „hear“ the radar interrogating a target, then getting a reply, all with music.