It's super easy to play music with your voice on Google Assistant-enabled Nest smart speakers and smart displays. But in order to link your Spotify account to the Google Assistant, you'll need to connect it with the Google Home app first. Here's how it's done.

Related: How to Use Google Maps Music Controls for Spotify, Apple Music, or YouTube Music

Connecting Spotify to your Google account will allow you to play music with voice commands on speakers, displays, phones, and tablets. It's as simple as saying "Hey Google, play 'Run the Jewels" or "Hey Google, play my 'Running' playlist." Let's get started.

First, open the Google Home app on your iPhoneiPad, or Android device. Tap the "+" icon in the top-left corner to add a service.

Tap the plus icon.

Scroll down to "Music."

Select "Music."

Here you'll see the list of available music services. Find "Spotify" and tap the link icon.

Tap the link icon for "Spotify."

The next screen explains that Spotify will be linked to all devices and services that use your Google account. Tap "Continue."

Tap "Continue."

Now you'll see some information about what Google and Spotify will be able to do together. Tap "Agree and Continue" to proceed.

Tap "Agree and Continue" to proceed.

Next, you'll be taken to the Spotify app. Again, you'll be shown what Google and Spotify will have access to. Tap "Agree" if you want to continue.

Tap "Agree" to continue.

That's it! Spotify is now linked to your Google account and will be available on Google Assistant-enabled devices. It will now be the default music service as well. You can change that by selecting a different service on the "Music" page in the Google Home app.

Related: How to Move Music and Videos Between Google Home Devices