music score - The music score is a very ancient idea of rapresenting music. At the very beginning there was just one line, then the line becomes three. The fact was to indicate if the melody should rise up or go down a peculiar sound rapresented by the central line. This sound was the voices of friars into a church. There was a continuos sound and a voice rising up or going down. Now the music score has five lines, plus a few notes are indicated above or under lines.