Playing Midis from my iPhone on my Mark IV Disklavier via Bluetooth

Make sure your piano is ON and not in standby.  

I run Disklavier Controller app from my iPhone to activate my piano: I select a song and play, then stop.  

        Note: Use the app that is associated with your piano to play a song to make sure the piano is active or just go to your piano and turn on and play a song.

I connect my Bluetooth device which is hooked to my piano by selecting midimittr app.  

    Note: you may have a different app that allows you to connect your bluetooth device located on your piano in the midi port.

 

If using midimittr, select Devices icon from lower bar on screen.  The following screen should appear.  Click on "Not Connected" next to your device (i.e. mine is m1.1).  Eventually "Connected" should appear next to your device.

I use an app called MidiOnStage for iPhone to store midis and to play via my bluetooth device to my Mark IV Disklavier piano.

If you use MidiOnStage app, you need to click on Settings>General and scroll to bottom of screen to Midi Output and select your device.

MidiOnStage allows multiple ways to load midis from Mac laptop  to the app.  Note: The midis added to MidiOnStage songs list are stored in the Files app on your iPhone.  

You can use Airdrop to move a midi or an entire folder of midis directly from your laptop to your iPhone and into MidiOnStage.  

Click on a midi filename on your laptop, hold down the option key while clicking on filename, then select Share option and select Airdrop to your iPhone.  Then select MidiOnStage from Airdrop menu that appears on your iPhone. 

Note:  If you are moving an entire folder of midis,  you will need to select a path to Files >On My iPhone>MidiOnStage folder from the Airdrop options menu.

Using MidiOnStage, you can create Playlists by using the + icon at top of the Playlists screen. You will be asked to enter a Playlist name to create.  You can then use the various screens and + buttons to maneuver and add songs to your playlist.  

You can select a song to play or an entire playlist.  click on play button to start playing.  Your midi songs should play on the piano.  

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How to format a USB stick for Mark IV Disklavier using a Mac.

When I first tried to read a USB stick in my Mark IV Disklavier, I had a problem.

I found a solution a few months ago: 

I used Disk Utility application which comes standard on my Macbook Pro laptop (I'm running High Sierra 10.13.6) 

I inserted the USB stick into the USB port on my laptop, selected the USB stick (under external) and clicked on Erase from the upper Disk Utility menu bar. 

I then entered a name for my USB stick, Selected MS-DOS (FAT) from the Format and used Master Boot partition option from pull down arrows. I clicked on ERASE. 

I then moved midis from my hard drive that I wanted to use on the piano. I think it is key to put these in a folder. I believe you can have 99 files in a folder. It worked. 

My piano is now reading my USB stick and playing my selection of midis. To access the USB stick from a Disklavier Mark IV select USB Media in the main menu. 

I am not sure what DKC850 menu option would be for those with DKC850 control box. But I feel it would be similar. The USB Media shows up on DKC900 as "My Songs" folder.

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