#1
Hey guys, here is a theme I recently analyzed on guitar and the key is in D major. But I noticed at the beginning, it plays a B first, and also a C which isn't in the scale. Even though the theme doesn't sound sad, could this very well be in B minor as the theme starts on B? And what rule does it allow a C to be used within the scale?
Cheers,

http://www.youtube.com/watch?v=f3gEKpGD4D4
#2
Bm is relative minor key to D... as in it has the same notes. With the C, well chromatic notes are allowed to be used... OR it could be a mode for that part of the song. There's more information on modes about this site if you're interested.
#4
the note that it resolves to is often more important for deterimining the key than the starting note.C is just a passing tone that doesnt have to be part of the key
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Tell me what nation on this earth, was not born of tragedy-Primordial