Virgo is a library for the Nebula 4 Player based on the industry standard for combo/self-contained all-tube guitar amplifiers. The sampled model is a 1965 reissue of the version often referred to as “Blackface,” which has been used on thousands of recordings and countless live performances. It’s been proven to be incredibly versatile, not only for guitar riffs, but also for bass, keyboards, vocals, accordion, electric violin, and many other electrified instruments.