Watch the Chrome Attics online guitar lesson by Bill Evans from 30 Sax Licks for Guitar You MUST Know
That famous quote, "tension and release". The line contains notes that are not in the scale (C#), but notice how the line goes back into the key at the end? Practice this concept if you want to play hipper lines that have more than just a blues scale type sound. Learn this line in all keys and you'll really be improving your ears at the same time. Also swing and lay back with this line for practice. Remember, if you rush, no line will sound good. There are so many ways to play on a groove. This concept has opened up so many players. Why not you?