whenever I have a jam session with someone i always seem to come up with the same lines but just in different keys. I try different rythms and different fills but they all come out the same. I know my major (2 octaves), minor, pentatonic, blues pentatonic and dorian mode scales. but they all just seem to either go along the neck in that scale or just straight down on two frets but with a semitone inbetween, if you get me? aby help of excercises, scales anything to learn would be helpful.