Here's an operatic pice, "Cavalleria Rusticana" played by two different people. The first one is done using the Roland Integra-7:
https://www.youtube.com/watch?v=cokZT5qOL1QThe second, using the Kurzweil PC3K:
https://soundcloud.com/orlan-charles/mascagni-intermezzo-fromComments are welcome.
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Mike