Original sentence: Slingshot Hip Hop is a 2008 documentary film directed by Jackie Reem Salloum which traces the history and development of Palestinian hip hop, in Palestine from the time DAM started in the late 1990s
Edited sentence: Slingshot Hip Hop is a 2008 documentary film directed by Jackie Reem Salloum which traces the history and development of Palestinian hip hop, in Palestine from the time DAM pioneered the art form in the late 1990s