To search for a track on your desktop, click on the magnifying glass and enter either the title, name, album or other keywords to search; you can scroll through the results to find the perfect track. To find music videos in the web player or desktop app, just select Videos from the left-hand menu or you can search for an artist to see their videos when available.
To share a track, album, or video on your desktop, you can hover over the track. Click on the Menu button then select Share. To share while listening, click on the Menu button and select share from there.