Simplify the following text for a Grade 8 native English-speaking person.
Original: Ghost Reveries was re-released on October 31 , 2006 , with a bonus cover version of Deep Purple 's `` Soldier of Fortune '' and a DVD of the making of the album .
Simplified: Ghost Reveries was re-released on October 31 , 2006 , with a bonus cover song ( Deep Purple 's `` Soldier of Fortune '' ) and a DVD featuring a 5.1 surround sound mix of the album ( along with a documentary on the making of the record ) .