do you have to pay to use google play music
Users with standard accounts can upload and listen to up to 50,000 songs from their personal libraries at no cost. An ``All Access'' subscription, sold in combination with YouTube Red, entitles users to on-demand streaming of any song in the Google Play Music catalogue. Users can purchase additional tracks for their library through the music store section of Google Play. In addition to offering music streaming for Internet-connected devices, the Google Play Music mobile apps allow music to be stored and listened to offline.
Google Play Music