These sounds are MIDI-based virtual orchestrations (MIDI mockup), and can be ordered with sheet music to help rehearsing or just for presentation of your music.
To avoid a computer-synthesized mechanic sound (General MIDI), we use virtual instruments (VSTi), which are very similar to the real experience of instrumental sound. Cost-effective solution for movies and theaters, computer video games.
ORIGINAL COMPOSITIONS AND ORCHESTRATIONS
Listen other tracks on Soundcloud!