The action "Add to playlist" causes you to think it is used to add a track to an existing or a new playlist, but it is actually added to the queue (i.e. the ever changing playlist of current songs). I believe the action should therefore be renamed to "Add to queue", like in other music players.
The action "Add to playlist" causes you to think it is used to add a track to an existing or a new playlist, but it is actually added to the queue (i.e. the ever changing playlist of current songs). I believe the action should therefore be renamed to "Add to queue", like in other music players.