Google Play Music，前称Google Music，是一个在线音乐流媒体服务。服务于2011年5月10日在Google I/O发布。Google Music支持将音乐流传送到桌面浏览器、Android手机和平板电脑或任意可以使用Adobe Flash 平台的设备上。

初始时，Music Beta 允许免费存储最多20000首歌曲而且Google已经暗示这个服务即使结束Beta测试后也会提供一个“慷慨”的免费套餐。发布时该服务仅对得到邀请的美国居民开放。当时该服务不支持购买音乐，仅可以上传用户自己的音乐来播放。Music Beta还允许在移动设备上自动缓存来离线播放。

Google Play Music is a music streaming service and online music locker operated by Google. 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 for US$9.99 per month, entitles users to on-demand streaming of any song in the Google Play Music catalogue for their geographical region and the ability to create custom radio stations. 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 app allows music to be stored and listened to offline.