On February 12 , 2010 , she performed Leonard Cohen 's " Hallelujah " at the Olympics Opening Ceremony in Vancouver , British Columbia . In early May 2010 , Lang filled in at the last minute for Susan Boyle at the Australian TV Logie Awards to reprise her Winter Olympics performance of Leonard Cohen 's " Hallelujah " , receiving an extended standing ovation . In 2010 , she sang " You 're a Mean One , Mr. Grinch " with Matthew Morrison in a Christmas episode of '' Glee '' , and is featured on '' Glee : The Music , The Christmas Album '' . In February 2013 , she appeared in Season 8 of the CBS sitcom , '' How I Met Your Mother '' , as herself
Olympics Opening Ceremony
2010 Winter Olympics opening ceremony
K.d. lang