HI this is my first post i have a couple q's on acdc thunderstruck intro i have trouble goin 4 fret to 7 so i have to use 2 hand teq to do it is there anyway to make this any faster an on hells bells do i use on or two fingures right after the first strum when it goes 7-7 plz help i would really appreshat it.o an my guitar is a les paul an i love it it is great.