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A short review of the M-Audio Oxygen 49 midi controller (3rd gen). I really like this controller, because it makes my music - editing in Reason a lot more easy, since I don't have to operate all the controls with my mouse, and I can stay behind the keys. Summing up: Pro: - Small enough to store - Big enough to fit 49 keys - Enough controllers to conveniently edit Propellerhead Reason instruments - Nicely priced. Con: - Keys have a little bit of plastic feal. - Issue while connecting for the first time (see solution below) MIDI PROBLEM: While trying to connect the M-Audio49 to Reason, I got the error: "MIDI PROBLEM: The midi port may be in use by another application" So how did I fix that? I had to dig into the Windows registry. So no warranties here, make a backup from the registry if you're not comfortable. To edit the registry, Hold the Windows Key and press R (run) Type 'Regedit' and click 'OK'. Making the backup can be done by clickin 'File \ Export' and save the file somwhere. Now find HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\ Find the key {4D36E96C-E325-11CE-BFC1-08002BE10318} Here we have to add a missing key, so right click in the left part. Select 'New \ Multi string value' Give it the name 'UpperFilters' Double click this filter and add the value data: ksthunk Click 'OK'. Close the registry editor. restart you're PC. Start Reason or some other program.
