Midi Utility X2 allows you to create songs quickly in the MIDI format without an organ keyboard. The program can sort out suitable accords based on the user's melody, create the Intro, Drum fill, Echoes, and know how to end the composition. After you complete inputting the melody tunes, it helps create the accompaniment in a few seconds. This is an automatic accompaniment software, which has the automatic chords composition, operating on the imputed melody. To do this, the author applied the most general principles in harmonic theory and experience acquired from practice harmonization for songs.