Originally Posted by: ZakJenkins
Well, If you're in C major, the formula for a C major chord is C, E, G. So we think of all the scales that have a C, E, and a G in them, and we can play those over our C major with out crashing.
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so thats how you accompany a specific chord with a scale? but, how can you say if a scale would crash against Cmaj?

[QUOTE=ZakJenkins]
If you play the notes of a G scale over a C, that makes your mode C Lydian. F would be C Mixolydian. Lydian has a Modern Rock, Ambient feel. Mixo's good for Funk and Blues.