Your Push 3.
Now a Cubase controller.

Your Push 3. Now a Cubase controller.

Ableton built Push for Live. RelayDock connects it to Cubase.

Free demo: Cubase on the display, transport and the Track page. RelayDock Pro unlocks everything for a one-time $29 early-access price.

If you own a Push 3 and mix in Cubase, you already know the problem. The display, the lights and the encoders are built for Ableton Live, so the Push sits on the desk while you reach for the mouse.

RelayDock fixes that.

What It Does

RelayDock gives you:

• Cubase on the Push display: track names, colours, values and transport
• An 8-channel Mix page with volume, pan, sends, meters, mute, solo and arm
• Track and Device pages for the selected track, insert plug-ins and Quick Controls
• Transport, tempo, main volume, markers, undo and save from the Push
• Pads that play your instrument tracks like Note mode on Push, with 35 scales, a Drums layout, Accent and Note Repeat

The LEDs follow Cubase, so the Push always shows what Cubase is doing.

Your hands stay on the hardware, not the mouse.

The Mix and Device pages and the pads are part of RelayDock Pro. Everything else works in the free demo.

Why It Exists

Push 3 is built for Ableton Live.

Cubase has no Push 3 support built in.

Cubase's MIDI Remote scripts can't reach USB, so they can't drive the Push display on their own.

Generic MIDI mapping leaves the display dark.

RelayDock fills that gap.

If you own a Push and work in Cubase, this puts it back to work.

How It Works

RelayDock is purpose-built with two lightweight parts, each with one job:

1. Bridge app (macOS & Windows)Drives the Push display over USB, passes controls and LEDs between the Push and Cubase, and routes the pads to their own MIDI port. It recovers by itself when you unplug the Push or restart Cubase.
2. Cubase MIDI Remote scriptAppears in Cubase's MIDI Remote tab as "Ableton Push 3 Bridge". It maps the Push to Cubase and sends track names, values and transport state back to the display.

On macOS, RelayDock runs in the menu bar with no window or Dock icon. Its menu shows the connection status and lets you turn on Start at Login.

On Windows, the bridge runs in the notification area with a status light. It installs its own MIDI driver for the RelayDock ports, so there is nothing else to install.

No firmware changes. RelayDock sends only documented, safe messages to the Push.

Start the bridge, open Cubase, and the Push lights up with your project.

Built For Producers Who

• Own a Push 3 and mix in Cubase
• Want hands-on mixing without reaching for the mouse
• Play parts on pads with scales instead of drawing them in
• Want to see Cubase track names, colours and values on hardware

If your Push sits idle every time you open Cubase, this puts it to work.

Installation

Then in Cubase, open Studio → Studio Setup → MIDI Port Setup and untick In 'All MIDI Inputs' for RelayDock and the Push's own ports. Leave RelayDock Notes ticked: that's the pads.

Prefer not to use the Windows installer? Download the Windows ZIP and run the included PowerShell install scripts.

Once it's running, the user manual walks through every page, encoder and button on the Push.

Activate Pro: after you buy, your license key arrives by email. Click the RelayDock icon in the menu bar (the notification area on Windows), choose Activate License…, and paste the key.

That's it.

Requirements

Cubase 13.0.50 and 14 should work but are untested. Push 2 isn't supported yet.

Updates

RelayDock checks for a new version once a day when it starts and tells you when there is one, with a Download button; Check for Updates… in its menu does the same on demand. Install the new version the same way as the first. It replaces the bridge and the Cubase script. Then restart Cubase, or use Reload Scripts in the Script Console.