i'm just starting to figure out how to play solo's with scales (by now i can only play one pentatonic one)

but, concerning scales and solos, you play an scale at an certain key (for example, you begin on the 5th fret on the low-e string) but how do you figure out whjat key an song (or a part?) is in? is it just the first or last note?

and generaly, do you play just the scales from the key the song is in, or also other scales from the same progression?

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to figure out what key itis in, usually the first note determines. the 5th fret on the low e tuned string is A.

and you can play the scale really anyway you want. progression or not. but both are acceptable.

If I am in D Major, and the first chord is a B, the the key that you are in is the relative minor of D, which is B minor. If the first chord was a D, then yes, you are in D major. This is for traditional classical music though. This weird modern era we have today might start differently; oh say, this D major starting with a C, which wouldn't make much sense....traditionally....and there are rare exceptions...

and, you don't have to have a solo the exact same key the whole way through...you can change it...just make sure your rhythm guitarist knows what you're doing.

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