The redbook audio portion of the CD that provides the background music was poorly mastered. The audio audibly clips in loud passages of the music. It is played by the indie rock band Thai Died Suicide.
The former editor Florian Stangl from the no longer existing German gaming magazine PC Player looked incredibly like the hero of Virtuoso. The magazine featured monthly humorous sketch videos, called the "Multimedia Leserbriefe", on their cover CDs and this inevitably led to the creation of the Stanglnator, played by Florian Stangl. His appearances mostly involved killing people with his guitar.
Some examples and background info can be found on stanglnator.de (German).