No matter what style of music you play, as a guitarist there are five basic areas of technique that should recieve constant attention: Single string technique (scales arpeggios); Chords and rhythm; improvisation; ear training; and sightreading. Its safe to say that the first three speak for themselves, and the last two are rather ambiguous.
And remember to have fun, :).
-Joseph
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"Swoop and soar like the blues angels."