Soprano - highest female singing voice.
Mezzo-soprano - the voice that stands between the soprano and the contralto.
Contralto -the lowest female voice
Tenor -highest adult male singing voice.
Baritone the voice that stands between the tenor and the bass.
Bass - the lowest male voice and rich in quality.
Instruments - These medium may be natural or invented to produce/ create distinct type of sounds.
The principal types of such instruments, classified by the method of producing sound, are percussion, stringed, keyboard, wind, and electronic.