How do you add iTunes library to iwatch

Hi

Apple Watch offers the following options for controlling music playback:

Music app:

• Control music playback on the paired iPhone.
• Also enables you to play music from a single playlist that has been synced to the watch:
  • To add music from an iTunes library to the watch:
    • Choose or create a playlist in iTunes and sync it to your iPhone.
    • Follow the instructions in the support article below to sync that playlist to your watch (using the Watch app on your iPhone).
  • Music can be played when the iPhone is unavailable (such as during outdoor workouts, when the iPhone is not taken along).
  • Requires Bluetooth headphones to be paired to the watch.
  • By default, the synced playlist is limited to 1GB (this can be changed to up to 2GB or 250 songs).
• More information and instructions: Listen to music on your Apple Watch - Apple Support

Remote app:

• Control music playback on Apple TV.
• Control music playback on a Mac or PC via iTunes.
• More information and instructions: Use your Apple Watch as a remote control for your Apple TV or iTunes - Apple Support

Follow these steps

Use your Apple Watch as a remote control for your Apple TV or iTunes ...