The SoundFont is a file format that contains the samples of a sound bank, which can be used for MIDI playback on a computer. It was originally developed by Creative Labs for their Sound Blaster sound cards in the early 1990s, but has since been adopted by other manufacturers and software developers. The SoundFont format allows for the creation of more realistic and dynamic sounds, as well as the use of non-traditional instrument samples. It has become a popular choice for music producers and composers who want to create high-quality, expressive MIDI music.