Google Play Music is one of the more versatile services, even on the add supported free tier, which allows you to upload up to 50,000 of your own MP3 files which you can then stream through the service. Google Home only allowed you to stream music from its on-demand collection of music until today. Support for streaming purchased and personally uploaded music to the service is currently rolling out for all markets where available. This is good news for those who enjoy streaming their personal library of uploaded music. Here's how to stream them. If you are on the free tier of...
Source: http://www.gsmarena.com/google_home_now_supports_purchased_and_uploaded_songs_on_google_play_music-news-26164.php