This bundle includes all available keyboard instruments of the Vienna Symphonic Library – the VIENNA IMPERIAL grand piano, the VIENNA KONZERTHAUS ORGAN, and SPECIAL KEYBOARDS (which includes harpsichord, harmonium and prepared piano). The Standard Set is the only one available in this selection, consisting of 87,890 samples. Your purchase also entitles you to download the free Vienna Instruments player software that includes the Vienna Ensemble mixing and host software.