Since I always stumble over one thing even when trying out other players, I probably need to clarify something here at the beginning. Apparently I think differently than many others ...

Played is always "the playlist". If you want to play an album or a track, it has to go into the playlist first.

This playlist is not hidden somewhere, but a very central element of Nemp. The files can be inserted directly from the media library (Drag&Drop, Copy&Paste, or via the menu), or from Windows Explorer. The usual controls Play, Pause, next title etc. are used to control playback and navigation in the playlist.

If you double-click a track in the media library, then this track (and only this track, not the whole album!) is inserted into the playlist - at least in the default setting.