YOUNG THE GIANTThe West Coast jazz evoking album jacket of Young the Giant's self titled debut doesn't exactly paint an accurate picture of the California quintet's breezy modern rock sound, but it does complement it quite nicely. Here's a band signed to a heavy metal label, whose music is anything but, and which actually excels through recurring shows of subtlety, not force. That's not to say Young the Giant don't know how to rock; tracks like "My Body," "Garands,"