HOW THE MUSIC STAFF EVOLVED 
My Music Staff Magic Carpet is made from 5 lines with 4 spaces in between them.
My Music Staff Magic Carpet is made from 5 lines with 4 spaces in between them.
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It has 5 lines and 4 spaces, because I am floating on my modern staff-carpet.
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I balance better and easier on the modern, 5-line, version than on the ancient, 2-line, music-staff version.
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