GooglePlayMusicAppGoogle has updated its Google Play Music app today with several new features and some fixes to bugs that many users have experienced. On top of now being able to continue playing instant mixes past 25 songs, Google also added a previous button to the widget that allows users to cycle backward through playlists without opening the app. Other improvements in the update include the “ability to shuffle an album, artist or playlist,” new default artwork for albums, and progress indicators on album and playlist pages for pinned tracks. Google also included a fix for freezing issues on the Galaxy S III.