"Virtual piano" will be useful to the musician in the most various situations (for example to tune musical instrument, to find the key of the heard music, to sound lessons of the musical school, etc.). This program in aggregate with a video projector will allow to explain effectively something for the big audience of pupils of musical schools, colleges and conservatories. The program allows to create and store a collection of the favourite timbres based on possibilities of a midi-synthesizer of a sound card as file collection. Each timbre can be set from one or several various on loudness and transposition timbres (all can be involved from 1 to 16 midi-channels). The virtual piano in aggregate with the external midi-keyboard is like program sound module. The program is free nowadays. In the future versions more difficult management of timbres (division of the keyboard into zones, management of dynamic characteristics of various layers of a sound, etc.) is planned. Author of this program is professional musician Mourat Djoussoupov from Novosibirsk (Russia).