 " Mothers of the Disappeared " has been covered several times . The Vitamin String Quartet included it on their 2004 tribute album The String Quartet Tribute to U2 's The Joshua Tree . Paddy Casey recorded a version for the tsunami relief album Even Better Than the Real Thing Vol . 3 in 2005 . 
 " Mothers of the Disappeared " <a href='been_done' title='1'><mark>has</mark></a> been covered several times . The Vitamin String Quartet included it on their 2004 tribute album The String Quartet Tribute to U2 <a href='null_genetive' title='2'><mark>'s</mark></a>The Joshua Tree . Paddy Casey recorded a version for the tsunami relief album Even Better Than the Real Thing Vol . 3 in 2005 . 
 Mothers of the Disappeared  done been covered several times . The Vitamin String Quartet included it on their 2004 tribute mixtape The String Quartet Tribute to U2  The Joshua Tree . Paddy Casey recorded a version fa da tsunami relief album Even Better Than tdaReal Thing Vol . 3 in 2005 .