'' Sigh No More '' is the debut studio album by London-based rock quartet Mumford & Sons . It was released on 2 October 2009 in the UK , and on 16 February 2010 in the United States and Canada . The album entered the UK Albums Chart at No. 11 and peaked at No. 2 on 20 February 2011 , in it 's 72nd week on the chart and following it 's Album of the Year win at the Brit Awards . In early 2011 , the album peaked at No. 2 on the '' Billboard '' 200 in the US
Album of the Year
2011 Brit Awards
Sigh No More (Mumford & Sons album)