Between March and September 2011 , Jem worked towards releasing an album to commemorate the 10th Anniversary of the 11 September terrorist attacks . She produced and contributed to a record entitled '' Ten Years On : A Collection of Songs in Remembrance of September 11th 2001 '' . Other contributions to the album include songs by Pink Floyd , John Lennon , Alanis Morissette , and John Legend . The album is on a limited edition release for two years , ceasing production in September 2013
11 September terrorist attacks
September 11 attacks
Jem (singer)