Shellac (sometimes referred to as 'Shellac of North America') is an <a href="http://www.last.fm/tag/american" class="bbcode_tag" rel="tag">american</a> rock music group formed in <a href="http://www.last.fm/tag/chicago" class="bbcode_tag" rel="tag">chicago</a>, <a href="http://www.last.fm/tag/illinois" class="bbcode_tag" rel="tag">illinois</a>, in 1992 by <a href="