Open MID (midi) or KAR (karaoke) file by chousing “File – Open Midi” you will see rectangular note pitches. Use Sliding controls and Select melody track option to see them. You can sing with midi and check your voice tone by midi pitches. Change song tempo, slide midi notes up and down (make it for tenor or bass singer). If lyrics present in the midi file, it shown on the top. You can hide them using View options.