a display of a musical score without any measures or clefs, in which information about the music's structure is conveyed with bars of color representing the notes. these bars scroll across the screen as the music plays. their position on the screen conveys the pitch & the timing in relation to each other. different colors denote different instruments or voices, thematic material, or tonality, lighting up at the exact moment it sounds. see also wolfram tones & visual jazz improvisation.
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