So I found this keyboard, the Yamaha PSR-350. I know that it's a pretty old keyboard, but there's a midi i/o on it so. Recently I bought this midi to usb interface cable so that I could start using this keyboard. Now I have tried a bunch of things. It doesn't show up in the Audio Midi Setup en there is no sign of recognition yet. I have read the midi section in the manual of the keyboard. If interested you can read that at the bottom, displayed in grey. Can anyone help me out with this one? thanks! 1 First, set up the sequencer for recording. The actual procedure may differ depending on your particular equipment and software. Ideally, you should leave two or more measures of silence (no performance data) before the song begins. The Initial Setup data should then be recorded to this space in the song. 2 Select the MIDI operations. Press the left Overall button, repeatedly if necessary, until MIDI is selected. 3 Select the Initial Setup Send operation. Press â€œ2â€ on the numeric keypad to select operation #2, Initial Setup Send. If the INITSEND display appears instead of LOCAL in step #2 above, step #3 is unnecessary. 4 Press the [START/STOP] button. Start the Initial Setup Send operation. 5 Start recording on the sequencer, then send the Initial Setup data. Start recording on the sequencer in the normal way, then â€” with as little delay as possible â€” press the [+] button to actually start transmitting the data.