You may not have installed the necessary codecs. More about that here:
Please refer to your distribution.
This should not happen. Check that the device has been properly mounted. Simply typing
mount in a console will show you all mounted devices.
From the top-level menu → . If they don't show up, quit Amarok from the Amarok menu, or use Ctrl+Q to quit. Once you restart Amarok, your collection should show your updates.
The lyrics are not available in the sites checked on the Internet. You may wish to add more sites via the script menu.
The track numbering system within an album in your collection is not correct.
The title of your song contains special characters with a cedille, accent, etc. that do not show in your track title; therefore the lyrics script applet cannot find a match for your title. Check your tags and track numbering system with a tagger such as Picard.