Strings Instruments: Cello, Doublebass, Viola, Violin. Up to 6 articulations (key switching) per instrument: Sustained, Pizzicato, Spiccato, Detache, Sordino, Tremolo. 4 separate mic positions: close (stereo and mono), middle, far, and ambience (room). Up to 6 velocity layers and 3 round robins.