About the tremlo picking, your not telling you handing to move each time, just telling it to "vibrate"... I love the sound and has loads of uses, but i find i get something similar to tennis elbow if do it too much..
About screwing something up when you think about it, there are some fast simple riffs, that it you think about you screw up... it just kinda becomes a function with out thinking about.. kinda like walking up stairs, you can do it with out thinking, if you start to really analyse what your doing it feels really odd.. and you start to walk really awkward...
