A free app for Android, by AppossibleONE.

Muse is a music player for Android devices. The app has a user-friendly interface and supports many popular audio formats. It is simple, fast, and easy to use.

The app is very intuitive and the interface is clean and simple. You can search for your favorite songs and albums, listen to your music, and create a playlist.

Muse also has an equalizer and a waveform view.  

This app supports lock screen control and background music playback, so you use the app as a remote control for your music player.