You can compose a song using automatic composition function.You can input notes from a sheet music.You can make a MIDI music from your voice.You can attach chord along a melody using automatic chord function.You can select a pattern(Rhythm,Bass,Drum).You can setting a tone and volume in each bar.You can compose a song of 16 channels.(4 channels are used for chords.)(1 channel is used for bass.)(1 channel is used for drum.)(You can use 10 channels for melody.)