Period/Style: Minoan. Location: Crete, Greece. Material: fragment of a fresco. Function: The walls of Minoan palaces and houses, both on Crete and the island of Thera, were painted with frescoes showing various aspects of Minoan life and images taken from nature.
guitar riffs. A riff is a cluster or sequence of notes or chords. A riff is used in a song. It can be repeated over and over again, but it may only be heard once, say for instance, in a lead guitar solo. Riffs can be minor decorative elements or they can be the basis of a song.
The truss rod is part of a guitar or other fretted, stringed-instruments that stabilizes the lengthwise forward curvature (also called relief), of the neck. Usually it is a steel bar or rod that runs inside the neck, beneath the fingerboard.sually, the truss rod of a brand-new instrument is adjusted by the manufacturer before sale. Normally, turning the truss rod's adjustment bolt clockwise tightens it, counteracting the tension of the strings and straightening the neck or creating a backward bow.