PreSonus has released Windows 7 compatible drivers for these FireWire audio interfaces:
The new drivers are compatible with both 32-bit and 64-bit versions of Windows 7, Windows Vista and Windows XP.
The FireBox, FP10, Firepod and Inspire 1394 are all class-compliant with Mac OS X and do not need a Mac driver.
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On the fly arrangement of chords and melody