With the huge success of our feature yesterday on guitar iPhone apps, we thought we would take a look at guitar apps for the iPad. Apple has worked hard to help musicians better put their work out into the public. There have been many companies too that have developed an ipad guitar interface to link guitar signal into a digital one fed into the iPad directly. Using apps, musicians are able to do light to moderate post-processing on their pieces.  The iPad is seen as of huge significance to the musicians and these guitar apps are sure to prove invaluable. Just take a look, they really are something else. PocketAmp – Guitar…