Filter is a rock

Rock music

Rock music is a genre of popular music that developed during and after the 1960s, particularly in the United Kingdom and the United States. It has its roots in 1940s and 1950s rock and roll, itself heavily influenced by rhythm and blues and country music...

 group formed in 1993 in Cleveland by singer Richard Patrick

Richard Patrick

Richard Patrick is an American rock musician. He is the frontman for the band Filter, a founding member of the supergroup Army of Anyone, and has served as a touring guitarist for Nine Inch Nails....

 and guitarist/programmer Brian Liesegang

Brian Liesegang

Brian Liesegang is an American guitarist and programmer, and a founding member of the Industrial rock band Filter.-Biography:Liesegang was born in New York City, where his father Dr. Thomas Liesegang was attending medical school...

. Filter has released five studio albums, the most recent being The Trouble with Angels, which was released on August 17, 2010.
Richard Patrick played guitar with Nine Inch Nails during the touring for Pretty Hate Machine

Pretty Hate Machine Tour Series

Pretty Hate Machine Tour Series was a series of tours in support of Nine Inch Nails' debut album Pretty Hate Machine. The series took place over much of North America and Europe from 1989 to 1991...

 and in the music videos for Broken; he left the band while Trent Reznor

Trent Reznor

Michael Trent Reznor is an American multi-instrumentalist, composer, record producer, and leader of industrial rock band Nine Inch Nails. Reznor is also a member of How to Destroy Angels alongside his wife, Mariqueen Maandig, and Atticus Ross. He was previously associated with bands Option 30,...

 was recording The Downward Spiral

The Downward Spiral

The Downward Spiral is the second studio album by American industrial rock act Nine Inch Nails, released March 8, 1994, on Interscope Records. It is a concept album detailing the destruction of a man, from the beginning of his "downward spiral" to his climactic attempt at suicide...

and began a new recording project with Brian Liesegang.