http://bugs.winehq.org/show_bug.cgi?id=10791
--- Comment #15 from Mark Toman kram1024@hotmail.com 2011-12-03 04:05:39 CST --- only if you can convert the .sf2 file to a .dls file and rename it to gm.dls, otherwise no. a SF2 soundfont is different from a DLS one.