Opus 1

 

Opus 1 is a music player that knows not only composers but also compositions.
All you have to do is populating the “Grouping” tag with the name of the composition.

 

 

 

A big hand for Andreas Kromke!

 

The app starts by scanning the audio files. It does so each time you start it. Although a bit time consuming, at the time I was using MP3's on a small SD card, this was tolerable. Using a 1TB SD with 850 GB data, it take hours before you can play anything.
Had to say goodbye to one of the few apps understanding classical.