Fretting Hand Strength Exercises: Thunderstruck

If you want to build some fretting hand strength and get on the track to amazing legato technique, look no further than Thunderstruck by AC/DC.  Angus plays a riff using all pull-offs and absolutely no picking. 
Thunderstruck- AC/DC
Riff 1
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Riff 2
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Riff 3
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In the song the order of the riffs is: Riff 1, Riff 2, Riff 1, Riff [...]