Cantus Latin for singing. The root of this word can be found in many musical terms. In Russia during the reign of Peter I, and later sang ceremonial songs - Kants. In the notes when required by the nature of the music, write - KantAbila (melodious). Wide, chanting a tune called Kantelenai.
In the word treble there is another particle, also Latin: dis, which means the dismemberment. The treble was called the party of the upper voices in choral work. Before the so-called voice, her acting. Then a high voice in the choir became known as the voice of the soloist, the - soprano. And name the treble remained high boyish voice.
Listen to an example of a treble - voice Italian boy Robertino Loretti, famous in the first half of the 60s, around the world and is incredibly popular in the Soviet Union. Now Roberto loreti already over 60, and he still continues to perform all over the world. However, after the teenage "breaking" his voice, of course, has changed, and now Roberto dramatic tenor, approaching the baritone.
Robertino Loretti. Jamaica
Another meaning of this word is more specific. Discotom or supporting in the don Cossack, Ukrainian and Belarusian songs are still referred to as the top solo voice, which is executed improvised and often decorated with various ways complicates the main melody.