Mahogany is used for the back and sides mahogany is known for being lightweight, resonant and having a pretty grain pattern, making it an excellent wood for acoustic building. Sigma are now firmly established in the guitar world, with a reputation for producing high-quality (and beautiful) instruments at a fraction of the cost of some of their competitors! The DM-SG is no exception to this, delivering alluring vintage aesthetics and incredible playability without the associated price tag.