A friend suggested looking up Midi Connections available through "About This Mac">"System Report">"USB"-super useful because I could see that the CP300 was connected. So a simple reboot and Boom, we're in play. Yamaha USB Audio Driver V1.1.0 for Mac OS X 10.4. The CP300 features punchy stereo speakers and Yamaha's concert piano sound. model : AUDIOGRAM 3, AUDIOGRAM 6, MW12C, MW12CX, MW10C, MW8CX, MW12, MW10 The USB Audio Driver is required to connect one of above USB audio devices … From the developer: The USB-MIDI driver is software … The following version: 1.2 is the most frequently downloaded one by the program users. When using the above products, even if the USB Audio Driver is not installed, a class compliant driver (OS standard driver) is automatically applied when the product is connected to the computer with a USB cable. If you are using Mac OS X v10.8 or earlier, Use the "Yamaha USB Audio Driver". Um121mx.zip is the common file name to indicate this application's installer. The application belongs to System Tools. If you are using Mac OS X v10.8 or earlier, Use the "Yamaha USB Audio Driver". Mac OS X 10.4 Tiger (Intel Mac),Mac OS X 10.4 Tiger (PPC Mac),Mac OS X 10.5 Leopard (Intel Mac),Mac OS X 10.5 Leopard (PPC Mac),Mac OS X 10.6 Snow Leopard,Mac OS X 10.7 Lion. Initially the CP300 wasn't showing up in the Apple Audi Midi SetUp Settings. Enhancements: - Now supports CD-S3000. The actual developer of this free Mac application is Yamaha. When using the above products, even if the USB Audio Driver is not installed, a class compliant driver (OS standard driver) is automatically applied when the product is connected to the computer with a USB cable. Hope this message helps someone else. It is compatible with Intel Mac. Description Free Download n/a. Download Yamaha USB-MIDI Driver 1.3.2 for Mac from our website for free. Manufacturer: YAMAHA. Updated drivers (v1.1.0 for Mac OS X) have been released for a wide range of Yamaha USB products. CP300 - Downloads - Stage Keyboards - Synthesizers & Stage Pianos - Products - Yamaha - Canada - … About DJ Mixers Updates: Updating the mixer’s firmware version can add support for newly developed features (or improve existing ones), enhance audio quality and transition effects, … Thanks for your help. Yamaha Steinberg USB Driver V2.0.4 for Mac macOS 10.15-10.12: Mac: 3.4MB: 2020-11-25: Yamaha Steinberg USB Driver V2.0.4 for Windows 10 (64-bit) Win: 7.1MB: 2020-09-25: Yamaha Steinberg USB Driver V2.0.3 for Windows 10/8.1/7 (32-bit/64-bit) Win: 7.1MB: 2020-03-02: THR V1 Updater for Mac: Mac: 782KB: 2014-03-06 : THR V1 Updater for Windows: Win: 588KB: 2014-03-06: THR V2 Updater for Mac: Mac … These drivers are available for download from