Simplify the following text for a Grade 9 native English-speaking person.
Original: In 2008 , Rise Against recorded their fifth album Appeal to Reason with the help of guitarist Zach Blair , who is now a permanent member and has known the band for many years .
Simplified: Rise Against recorded their latest album Appeal to Reason with the help of guitarist Zach Blair , who is now a member and has known the band for many years .