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There are multiple artists with that name:
1 - A Bulgarian rock band established in 2012 in Plovdiv, Bulgaria by vocalist Nikola Nikolov, guitarist Mario Popov and bassist Veselin Petrov. Soon afterwards they are joined by drummer Dimitar Penchev and in 2014 Zvezdomir Mihalev becomes part of the band as a second guitarist. The latter two leave the band in January 2016 to be replaced by Zdravko Dochev (drums) and Jaklin Dishliev (guitar).
TDK’s musical style can be defined as alternative rock with strong elements of new wave and stoner rock. Influences include bands like Sleep, Kyuss, Colour Haze, Porcupine Tree and Tool. The band’s music oftentimes includes motives from the Bulgarian folklore. All lyrics are in Bulgarian as well.
2 - Punk band.
3 - Commodore Amiga and chiptune composer (Mark 'TDK' Knight).
4 - Hardcore/jungle/drum & bass producer associated with Bizzy B, with releases on Brain, Kemet and Quayside among others.
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Artist biography from last.fm