 On September 14 , 2011 Square Enix published a third Nier album , titled NieR Tribute Album -echo- . Each of the 12 tracks on the album is a remix of a Nier piece , each by a different artist . The resulting eclectic mix of styles is primarily electronic , but also includes a multiple @-@ piano arrangement of " Grandma " and a klezmer rendition of " Shadowlord 's Castle " . The album has a duration of 1 : 00 : 46 , and has the catalog number SQEX @-@ 10247 . 
