This is the default toolbar. It has a
On the left and right of the toolbar the previous and next tracks are shown and can be chosen by simply clicking on them.
A progressbar with the already played time on the left and remaining time on the right shows the current position in the song.
By using the slightly transparent buttons next to the text you can add the current song to your loved tracks on last.fm or add a position marker.
There is also a button to change the volume. A blue circle around the button shows the current volume. The volume is 0 at the bottom and increases counterclockwise. It can be changed by clicking on this border or by using the scroll wheel while the mouse is above the button. The sound can also be completely muted by clicking on it.
The slim toolbar has the same functionality as the main toolbar, but it is more compact. Additionally the slim toolbar has a button to stop playing so the current song will be restarted when you press