In 2006, after completing his music production education at MMA, he started to introduce himself on Myspace under the pseudonym Nugo Sebil. He played as a soloist and bassist in various rock/metal bands, while in his solo work he drew dark paths in electronic music. His 2008 project Kargalar is one of the earliest pioneers of the post punk / darkwave genre in Turkey.

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Under the pseudonym Nugo Sebil, he started to work with analogue devices on the dark sound he captured and became Turkey's most listened artist in electronic music between 2008-2010 on Myspace, the most important independent musician platform of the period, with The Rorschach Audio project. 

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After a long silence, he returned with a more serene sound under the name Kumadam. On 30 November 2016, he unofficially released a concept album titled Ölülere Ninniler (Lullabies to the Dead), expanding on his previous work and making a modest debut in May 2017.

The song Kargaların Efendisi, which Kumadam describes as ‘my biggest work’ and which gave the name to the band Kargalar, one of the pioneers of darkwave in Turkey, was rearranged and released with Tamar Records label after a meticulous recording process of 1 year.

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