It's FOSS - https://itsfoss.com/sayonara-music-player/
Brief: If you are looking for a lightweight music player with clean, intuitive user interface and all the standard features, give Sayonara a try.
Sayonara is one of the lesser known music players for Linux that deserve more attention. Sayonara is a small, lightweight music player available only for Linux systems. It is written in C++ and uses Qt framework. GStreamer is used as audio backend.
It has an intuitive user interface and the default dark theme gives it a stunning look.
Sayonara player interface
This tiny music player has just released its first stable version under GPL 3 open source license.