Summarize the following:
It's the rainbow “G” icon on your home screen (or in the app drawer). It's in the tab in the lower-right corner.  It has an icon that resembles 3 dots. It's near the bottom of the More menu.  It's next to an icon that resembles a gear. It's about halfway down the settings menu.  It's next to an icon with different sized dots. It's the third tab at the top of the screen.  This is where you add different services to Google Home. It's the third option under the Services tab.  This is where you add music streaming services. Many music streaming services work with Google Assistant.  These include Spotify, Pandora, YouTube Music, Google Play Music, and Deezer.  Tap the service you want to link in the list of available services. This displays a sign in screen you can use to sign in to the service. Use the username or email and password associated with your music streaming account to sign in to the music streaming service. A list of music streaming services you have linked to your account is listed under "Your music services".  Tap the radial button next to the service you want to select as your default service.  This is the service Google Assistant will use when you command it to play music. It's in the upper-left corner.  This returns to the Google Assistant Services menu. It's the fifth option under the Services tab.  It's next to an icon that resembles a TV screen. You can link a variety of streaming service with your Google Assistant.  These include Netflix, HBO Now, CBS, Starz, and YouTube Kids. This displays a sign in screen you us to log in to your account. Use the username or email and password associated with your account to log in to the screaming service.

Summary:
Open the Google app. Tap More …. Tap Settings. Tap Google Assistant. Tap the Services tab. Tap Music. Tap a music streaming service. Tap Link Account. Sign in to the music streaming service. Select a default music streaming service. Tap . Tap Videos & Photos. Tap Link below a streaming service. Tap Link Account. Log in to your account.