Original sentence: " The band incorporates diverse vocal styles, typically involving growled vocals, melodic singing and even rapping while the lyrics generally follow a very aggressive tone.Slipknot underwent line-up changes before releasing their debut album Slipknot in 1999.Slipknot's origins date back to 1992, and the band officially formed in November 1995.The band is expected to release a fourth album in 2008.The group has experienced several line-up changes, but its membership has not changed since 1999: Sid Wilson, Joey Jordison, Paul Gray, Chris Fehn, Jim Root, Craig Jones, Shawn Crahan, Mick Thomson and Corey Taylor
Edited sentence: " The band also incorporates diverse vocal styles, typically involving growled vocals, melodic singing and even rapping while the lyrics generally follow a very aggressive tone.Slipknot is expected to release a fourth album in 2008.Slipknot's roots lie back as far as 1992, and the band formed in November 1995.The band underwent many line-up changes before releasing their highly successful debut album Slipknot in 1999.The group has gone through several line-up changes, but its membership has not changed since 1999: Sid Wilson, Joey Jordison, Paul Gray, Chris Fehn, Jim Root, Craig Jones, Shawn Crahan, Mick Thomson and Corey Taylor