You can use the  button to:

Show/hide artists list:

1.    Click the  toggle in My Library or in the Search results:

2.    The "Show Artists" pane will open on the left, displaying all the artists in the library/search results.
Beside the artist's name is the number of tracks associated with that artist.

3.    Select an artist to display the albums associated with that artist.

4.    All the tracks of the selected artist/album will appear in the main pane.

5.    Click the  button to start playing all the tracks of the selected artist/album

 

Filter the viewed items by media type:

To filter by media type, click the  icon located on the right-hand side of the  button:

You can select whether to view only the Music files, only the Video files, or both.