Nuclear Strike/Soviet Strike game theme

How hard is it?

Listen to the song— a recording linked by the tab’s author

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How to read this tab — notation key

+: Blow note
−: Draw note
b or ': Half-step bend
bb or '': Two half-step bend
bbb or ''': Three half-step bend
(###): Chord — relevant hole numbers in parentheses
< or *: Push the button in (chromatic harmonica)

Full reference and posting tips in the tab guide.

Tab

I couldn't find audio that does this song justice.  One version is up there in the box; here's another:
http://www.youtube.com/watch?v=7ITXeXt7eHQ

Here are three octaves to play it in:

Bb harp     4    3 4  4   -4 -3&rsquo;
          3 4    3 4 -5   -4 -3&rsquo;
          3 4    3 4  4 -4 -3&rsquo;
         -2   -3&rdquo; -2&rdquo;    2 -1  1

Eb harp     6   -4 6  6   -6 -5
         -4 6   -4 6  7   -6 -5
         -4 6   -4 6  6   -6 -5
         -4    5 4    -3 -3&rdquo; -2

Eb harp     9   -8 9 9   -10 -9
         -8 9   -8 9 10  -10 -9
         -8 9   -8 9 9   -10 -9
         -8    8 7    -7 -6  6

Play on a harmonica— watch which holes to blow & draw, with sound