Korg 01 W Sounds Download Page

Step two: The software. Leo had to find a MIDI utility—an ancient program called SysEx Librarian —that could talk to the 01/W over a USB-to-MIDI cable. He plugged the Korg’s IN to the interface’s OUT, the OUT to the IN, held his breath, and pressed “Transmit.”

He hit “Transmit” again.

He almost gave up. But then he saw a forum post from 1998, archived on the Wayback Machine: “The 01/W is picky about MIDI clock. Turn off ‘MIDI Filter’ for SysEx in Global mode.” korg 01 w sounds download

Then, an error. Check Sum Mismatch.