Aside from that, they give you the freedom to experiment a little and remake or remix popular songs. Well, they are a great tool for beginners in music production who want to know how drum beats, basslines, melodies, and chords of any kind of genre are structured. How MIDI files can improve your music production? They are files which often contain the chords, bass lines, drum beats, melodies, etc. Midi files are the sheet music of the 21st century.