Nowadays, most of musical instruments are simulated by computers. All you need is a sample player on your machine. Samplelord is among this kind of player. This is a virtual instrument that can play back 8-64 bit sample. It uses low resource so it does not require a powerful machine. It has a virtual keyboard and a sound management window. It includes 16 Midi tracks that are configurable to match your needs. It supports and plays back the following formats without any processing: GIG, SF2, FXP, NKI, EX, WAV and AIFF. The features are still numerous, but the easiest way to get an idea is to try it.