new record label Dark Lord Records formed with the Strawbs frontman Dave Cousins. The first release on the new label was Normalityville Horror by Spit Like This on 21 May. Tsangarides occasionally played guitar and performed live with the metal band Exmore / More 2012. He died of pneumonia and heart failure on 7 January 2018, aged 61. Technical accomplishments Tsangarides is known for a guitar recording technique called "the vortex", which he first used when recording the guitar of John Goodsall for the Brand X album Moroccan Roll in 1977. He later refined the technique, which gives to the recordings a random panning effect similar to a reverb, but obtained through a particular placement of microphones. Bands worked with Source: The Amorettes Angra Anthem Anvil Aqualung Joan Armatrading Barón Rojo Biomechanical Bitches Sin Black Acid Souls Black Sabbath Blanco Diablo Blind Tiger Kevin Borich Brand X Briar Rose Broon Ethan Brosh Capital Sun Chemicals of Democracy Colosseum II The Comsat Angels Concrete Blonde Sara Craig Crowning Glory Dave Cousins Sara Craig Delfins Depeche Mode Desolation Angels Bruce Dickinson Exmore / More 2012 Exodus Fear of God Fortnox ( Epic) Samantha Fox Ian Gillan Girl Girlschool Glyder Hardwicke Circus Helloween Hex A D The Human League Incinery Jailcat Japan Tom Jones Judas Priest Killing Joke King Diamond King Lizard The Lords of the New Church Loudness Magnum Yngwie Malmsteen Mama's Boys Matisse Matt Mays and El Torpedo Nick Miller Mimas Money Gary Moore Mountain New Model Army N.EX.T Nightlord Ozzy Osbourne Gilbert O'Sullivan Overkill Praying Mantis Prowler (band) The Prime Movers Quartz The Quireboys Rock Goddess Revival Savage Messiah Shin Hae-chul/Monocrom Sinner The Sisters of Mercy Slave Raider Spider Spit Like This Steeleye Span Stella Maris Stonebringer Strawbs John Sykes Therapy? Thin Lizzy ThisGirl Barbara Thompson Tigertailz TNT Tokyo Blade The Tragically Hip Tygers of Pan Tang UFO Virgil & the Accelerators Winters Bane Wretched Soul Y&T See also List of record producers References External links Chris Tsangarides on Encyclopedia Metallum Chris Tsangarides on Discogs 1956 births 2018 deaths British audio engineers British record producers British people of Greek Cypriot descent Alumni of the Royal Academy of Music Deaths from pneumonia in the United Kingdom 20th-century British businesspeople