The best guitar riffs in rock have become part of the cultural fabric, shaping the face of music and influencing wannabe axe legends down the generations.Some of the great songs of modern times – such as “(I Can’t Get No) Satisfaction)” or “Smoke On The Water” – strike you as much for their distinctive guitar licks as their powerful lyrics. The guitar riff, which often opens a song and forms the main repetitive melodic anchor, has been a core part of blues, rock’n’roll, and even punk songs for decades, and the best guitar riffs have changed the shape of music....