Black Clouds & Silver Linings is the tenth studio album by American progressive metal/rock band Dream Theater, released on June 23, 2009 through Roadrunner Records. It is the band's last album to feature drummer and founding member Mike Portnoy before his departure on September 8, 2010. The album was recorded between October 2008 and March 2009 at Avatar Studios in New York City. It was produced by John Petrucci and Portnoy, and was engineered and mixed by Paul Northfield.