Sigma Guitars originated as an offshoot of Martin Guitars. Designed to compete with the rising number of Japanese and imported guitars in the '70s, Martin licensed reproduction of their higher value American made acoustics for production in Japan and later, inChina. Discontinued back in 2007, Sigma has been revived and is backand betterthan ever! The 000ME is a super versatile and incredibly affordable electro-acoustic suitable for players of all styles and standards.