It started life as a keyboard improvisation, then I divided it into four parts and scored it for string quartet. Rendered in GS3 with GigaPulse (two instances). Comments of any kind are most welcome.
http://www.buist.org/david/StringQuartetteVSLGP.mp3
(playing time: about 1 min; file size: 2MB)
http://www.buist.org/david/StringQuartetteVSLGP.mp3
(playing time: about 1 min; file size: 2MB)