Marcin "AbradAb" Marten (born 12 November 1978 in Katowice[1][2]) is a Polish rapper, actor and music producer.

[4] He has also collaborated with artists like Piotr Banach, Bosski Roman, Maciej Maleńczuk, Wojciech Waglewski, Grubson, L.U.C, Ania Dąbrowska, Happysad, Tede, Peja, Gromee, Augustus Pablo, Kali and O.S.T.R.

In 1998, after the group recorded its second album W 63 minuty dookoła świata, Piotr "Magik" Łuszcz left the band.

The album featured a popular song titled "Rapowe ziarno 2 (Szyderap)", for which a music video was released.

Emisja spalin was followed by Ostatni poziom kontroli, which was released on 3 October 2008[7] and featured Grubson, reggae singer Marika and IGS.