What is a Riff ? — A Riff in the context of this tutorial
is a musical phrase that is REPEATED - so the benefit of learning to play
these riffs is in repeating them plenty of times - this is a great way to
strengthen your fingers and improve your co-ordination.
There are a great variety of techniques to be learned from these twenty riffs.
They are mostly aimed at new players and some are very much harder than others to achieve.
Even if you have been playing for a while you may find some of these riffs interesting and quite challenging.