1. Open the iTunes software on your computer and connect the iPod device.
2. Select the device icon in the upper left corner of the iTunes interface, and select Music in Settings.
3. Tick "Synchronize Music" and select the music tracks, albums or playlists to synchronize.
4. Click the "Apply" or "Sync" button and wait for the synchronization to be completed.
5. Disconnect, you can find the synchronized music on the iPod device and start playing.
Please note that before syncing music to the iPod device, make sure that the music files to be synced have been imported into the iTunes software. If you download music using a cloud storage service, you can import it into iTunes first and then synchronize it. In addition, different models and versions of iPod devices have different synchronization programs. For details, please refer to the documentation of the corresponding equipment or consult relevant tutorials online.