These music scores could be performed aurally, visually, kinesthetically, synesthetically, interactively, literally, symbolically or philosophically.
Randy Raine-Reusch :: 'Leaves 2' (1993)
George Crumb :: 'Makrokosmos II - 12, Agnus Dei [Symbol] Aquarius' (1973)
Murray Schäfer::'Divan Shams Tabriz' for orchestra, seven singers and electronic sounds ('77)
George Crumb :: 'Makrokosmos I - 12, Spiral Galaxy [Symbol] Capricorn' (1973)
it is what it is 