Blues was a brandname of the Japanese ONG Musical Instrument Company. The brand was launched in 1999 by ONG president and founder Moony K. Omote (who had previously worked for Fernandes). The were several Blues models including the semi-hollow "Blues Guiar" original model as well as some signature models for Clarence Gatemouth Brown and Otis Rush. They also produced th Sitarla electric sitar.

Source: ONG Blues catalog