Krzysztof Raczkowski also known as Docent or Doc, was a Polish

Poland

Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

 drummer, member of death metal

Death metal

Death metal is an extreme subgenre of heavy metal. It typically employs heavily distorted guitars, tremolo picking, deep growling vocals, blast beat drumming, minor keys or atonality, and complex song structures with multiple tempo changes....

 bands Vader

Vader (band)

Vader is a Polish death metal band from Olsztyn, formed in 1983. According to Piotr Wiwczarek, the band's founding singer and guitar player, the band's name was inspired by Darth Vader from the Star Wars film series. Lyrical themes include stories by H. P. Lovecraft, WW2, horror and anti-christian...

 (1988 - March 2005) and Dies Irae

Dies Irae (band)

Dies Irae is a Polish death metal band founded in 1992. Their early recordings were heavily inspired and influenced by Vader and Morbid Angel.-Biography:...

. He also appears as a guest or temporary musician in Sweet Noise

Sweet Noise

Sweet Noise is a Polish alternative metal band. The group was formed in 1990 in Swarzędz. They have released eight CDs and appeared three times at the Przystanek Woodstock festival with the special show in 2003 when more than 400 000 people watched the culmination of what the band refers to as...

, Hunter

Hunter (band)

Hunter is a Polish heavy metal band . The band founded in 1985 in Szczytno by Paweł Grzegorczyk and Grzegorz Sławiński. The name of the group comes from the title of the song "Die Hard The Hunter" by Def Leppard....

, Slashing Death, Unborn, Moon, Overdub Trio bands.

2005 relations with Vader

In March 2005, Krzysztof Raczkowski left Vader

Vader (band)

Vader is a Polish death metal band from Olsztyn, formed in 1983. According to Piotr Wiwczarek, the band's founding singer and guitar player, the band's name was inspired by Darth Vader from the Star Wars film series. Lyrical themes include stories by H. P. Lovecraft, WW2, horror and anti-christian...

. Piotr Wiwczarek

Piotr Wiwczarek

Piotr Wiwczarek , also known as Peter, is a Polish guitarist and vocalist who is the frontman for the death metal band Vader, although joined the band as their bassist. He has also collaborated with Kazimierz "Para" Paraszczuk on his tribute album, Bandid Rockin', and is the producer of several of...

, the band's lead singer, said in an official statement on their website:

Doc pretty hard tried to 'fight' against his weaknesses, which were troubles for all of us. Finally he had not prevailed over that battle... All in all, he attempted... Vader

Vader (band)

Vader is a Polish death metal band from Olsztyn, formed in 1983. According to Piotr Wiwczarek, the band's founding singer and guitar player, the band's name was inspired by Darth Vader from the Star Wars film series. Lyrical themes include stories by H. P. Lovecraft, WW2, horror and anti-christian...

 today is not just a friendship anymore — it's our life with armies of man involved in music, releases and, first of all, fans waiting for shows or new albums... This is a high responsibility, not too many know about. If a person, even the most talented one, cannot stand it — [he] has to leave... That was Doc's decision as well.

Maurycy Stefanowicz

Maurycy Stefanowicz

Maurycy Stefanowicz , is a Polish musician and guitarist. Stefanowicz has played with such bands as Vader, Dies Irae, Christ Agony. He currently plays in UnSun. He is sponsored by Washburn Guitars.- Discography :-References:...

, the guitarist of the band, mentioned Krzysztof's problem with alcohol

Alcohol

In chemistry, an alcohol is an organic compound in which the hydroxy functional group is bound to a carbon atom. In particular, this carbon center should be saturated, having single bonds to three other atoms....

 in an interview in April 2005.

Drums setup

Alchemy Professional cymbals AHR14 Rock Hi-hat 14" ASWC17 Sweet Crash 17" ACM18 Medium Crash 18" ARWR22 Raw Ride 22" ACH22 China 22" ARWCH16 Raw China 16" ASPR12 Rock Splash 12" ABL8 Bell 8" ARWB6 Raw Bell 6" Pedals TAMA Tama -Religion:* Tama , part of the soul in the Japanese Shinto faith, roughly equivalent to ghost, spirit, or soul* Tama , a votive deposit or ex-voto used in the Eastern Orthodox Churches...  Iron Cobra

Yamaha Yamaha Yamaha may refer to:* Yamaha Corporation, a Japanese company with a wide range of products and services** Yamaha Motor Company, a Japanese motorized vehicle-producing company...  Drums Bass Drum 22" Stage Custom Bass Drum 22" Stage Custom Tom Tom: 12" Maple Custom Tom Tom: 13" Maple Custom Tom Tom: 14" Maple Custom Floor Tom: 16" Maple Custom Snare Snare Snare may refer to:* Snare trap, a kind of trap used for capturing animals* Snare drum* SNARE , a family of proteins involved in vesicle fusion* The Snares, a group of islands approximately 200 kilometres south of New Zealand...  Power V 5,1" Electronics Alesis Alesis Alesis is a company based in Cumberland, Rhode Island, that designs and markets electronic musical instruments, digital audio processors, audio mixers, digital audio interfaces, recording equipment, drum machines, professional audio and electronic percussion products...  D4 Trigger Module Ddrum Ddrum ddrum is a division of Armadillo Enterprises, Inc. that manufactures drums, percussion, and electronic drum triggers.-Acoustic drums:ddrum is a sister company to Dean guitars and produces drums that fall into one of several series, each following a motif of beginning with the letter "d" and grouped...  Trigger Trigger -Technology:* Trigger , a mechanism that actuates the firing of firearms* Image trigger, a device used in highspeed cameras* Schmitt trigger, an electronic circuit* Trigger circuit, IBM's name for a flip-flop...  Clamps

Other

• Slashing Death - Live at Thrash Camp (1988, demo)
• Slashing Death - Irrevocably & With No Hope (1989, demo)
• Slashing Death - Kill Me 'Coz I Can't Stop (1990, demo)
• Sweet Noise
  Sweet Noise
  Sweet Noise is a Polish alternative metal band. The group was formed in 1990 in Swarzędz. They have released eight CDs and appeared three times at the Przystanek Woodstock festival with the special show in 2003 when more than 400 000 people watched the culmination of what the band refers to as...
  
   - Getto (1996, as guest)
• Moon - Daemon's Heart (1997)
• Black Altar - Na uroczysku (1998, drums programming)
• Christ Agony
  Christ Agony (band)
  Christ Agony is a Polish black metal band from Morąg, formed in 1990. Do to legal problems between 2005-2007 Christ Agony performed under Union name.-Band members:Current members...
  
   - Elysium (1999)
• Tower - Mercury (1999, as produccer)
• Dies Irae
  Dies Irae
  Dies Irae is a thirteenth century Latin hymn thought to be written by Thomas of Celano . It is a medieval Latin poem characterized by its accentual stress and its rhymed lines. The metre is trochaic...
  
   - Immolated
  Immolated
  Immolated is the first album by the Polish death metal band Dies Irae released in 2000 by Metal Blade Records. A video was filmed for the track "Lion Of Knowledge".-Track listing:#"Zohak" – 3:41#"Message Of Aiwaz" – 2:53#"Sirius B" – 5:03...
  
  (2000)
• Dies Irae - The Sin War
  The Sin War
  The Sin War is the second album on a major record label by the Polish death metal band Dies Irae released in 2002.-Track listing:#"Comrade of Death" – 2:40#"Incarnation of Evil" – 3:22#"Internal War" – 4:59#"Horde of Angry Deamons" – 4:16...
  
  (2002)
• Sweet Noise - Revolta (2003, guest)
• Dies Irae - Sculpture of Stone
  Sculpture of Stone
  Sculpture of Stone is the third album on a major record label by the Polish death metal band Dies Irae released in 2004.-Track listing:#"Beyond All Dimensions" – 4:19#"The Hunger" – 3:38#"Unrevealed by Words" – 3:58...
  
  (2004)
• Sweet Noise - The Triptic (2007, as member)
• Atrocious Filth - Atrocious Filth (2008)

Videography

• Vader - Vision and Voice (1998, VHS)
• Vader - More Vision and the Voice (2002, DVD)
• Vader - Night of the Apocalypse (2005, DVD)
• Dies Irae - The Art Of An Endless Creation (2009, DVD)