bassist Steed Najera (Triple Seven), and drummer Bevan Davies (Danzig, Comes with the Fall, Jerry Cantrell). Over the course of the next couple of years, the group would write and demo upwards of 20 songs and played frequent shows in the Los Angeles area but ultimately failed to land a record deal. Subsequently, the project was put on hold. On In February 2005, Lachman performed with the surviving members of Alice in Chains at a benefit for tsunami relief in Seattle, Washington, filling in for their late lead singer Layne Staley, along with fellow singers Maynard James Keenan (Tool), Wes Scantlin (Puddle of Mudd), and Ann Wilson (Heart). Lachman filled in for Killswitch Engage's guitarist Adam Dutkiewicz on the band's North American tour in early 2007. He also filled in for Dutkiewicz at Download Festival 2007. In 2008, Lachman began working with Raymond Herrera and Christian Olde Wolbers formerly of Fear Factory under the name Burn It All. On April 1, 2019, Lachman and Diesel Machine released "Shut It", their first new song in nearly two decades, and announced a tentative fall 2019 release for their long in the works sophomore album, Evolve. The album was finally released on August 21, 2020, through German company Metalville. On April 30, 2021, Cosmosquad & The Jasonauts released a digital single of "A Jam For Jason MMXXI" on Bandcamp to raise funds for ALS stricken musician Jason Becker, with Lachman contributing lead guitars alongside Jeff Kollman, Chris Poland, Vinnie Moore, and Steve Morse. Lachman had recorded his parts 20 years earlier but this particular version of the track was never released and had only recently been re-discovered. Discography Halford Resurrection (2000) Live Insurrection (2001) Crucible (2002) Fourging the Furnace EP (2003) Metal God Essentials, Vol. 1 (2006) Halford: Live at Rock in Rio III DVD (2008) Diesel Machine Torture Test (2000) Evolve (2020) Damageplan New Found Power (2004) The Mercy Clinic The Mercy Clinic demos (2005, 2006) Cosmosquad & The Jasonauts A Jam for Jason MMXXI digital single (2021) Compilations and soundtracks Overload – A Tribute to Metallica (1998) with Diesel Machine – The Thing That Should Not Be A Call to Irons: A Tribute to Iron Maiden Volume 2 (1999) with Diesel Machine – Children of the Damned Devilswork: A Tribute to Ministry (2000) with Diesel Machine – Supermanic Soul Southern Death – Tribute to Pantera (2000) with Diesel Machine – Primal