Phonograph is a material designed local music player for Android. And Phonograph Plus is an independent fork of Phonograph.

An independent fork of Phonograph under maintenance and development
Phonograph is a material designed local music player for Android. And Phonograph Plus is an independent fork of Phonograph, and is currently under my maintenance and development.
Additional Features
Here is a list of notable changes or enhancements compared with the original Phonograph.
User Interface
● Automatic dark mode based on system datk mode.
● Unlock pro, supporting all themes.
● Poor support of Monet.
● Brand-new File tab with new design.
● Brand-new App Intro with new design.
● Improve "Library" pages user experience.
... and more user interface changes.
Improvements
● Change language in application manually.
● Show Time Axis in "Lyrics" Dialog and allow seeking basing lyric's time axis and support lyrics following.
● Support more sort orders.
● Path filter, support "exclude mode" (blacklist) and "include mode" (whitelist).
● Add song menu shortcuts to add new items to excluded-list (blacklist).
● Better Notification Image Quality for Android T and above.
● Improved experience of storage management for Android 11 and above.
● Allow deleting songs file along with its external lyrics file.
● Increase history played tracks and top played tracks entries capacity (100->150).
● Enhance multi-selecting.
● Better Playlist support.
● Improve menu experience, collapse less frequently used options.
● Allow tabs fixed.
Enhancements
● Playback speed control.
● User-defined click behavior for songs.
● Support history of playing queue.
● Brand-new Detail page with more information like tags.
● Brand-new Tag Editor supporting more tags.
● Support for Android Auto.
● Resume playing after interruptions.
● Allow collecting app crash report.
● Co-work-with/Support StatusBar Lyric Xposed Module (api).
● Export internal databases and settings for backups.
...
and more small features/fixes.