Marcin "AbradAb" Marten (born 12 November 1978 in Katowice) is a Polish rapper, actor and music producer. Marten is a founding member of big Polish hip-hop group Kaliber 44 and, since 2002, a solo artist. He is a member of Polish Society of the Phonographic Industry (Zwiàzek Producentów Audio Video, ZPAV). Marten is a winner of four Fryderyk awards. In 2011, Machina magazine placed Marten at No.17 on the list of 30 best Polish rappers. He has also collaborated with artists like Piotr Banach, Bosski Roman, Maciej Maleà Âczuk, Wojciech Waglewski, Grubson, L.U.C, Ania Dàbrowska, Happysad, Tede, Peja, Gromee, Augustus Pablo, Kali and O.S.T.R.
In 1993, Marcin Marten formed Kaliber 44 together with his brother Michaà  "Joka" Marten. The group was joined by Piotr à Âuszcz performing under pseudonym Mag Magik I. In 1995, Kaliber 44 was signed to S. P. Records, and a year later their debut album KsiÃÂga Tajemnicza. Prolog was released and became a huge success. In 1998, after the group recorded its second album W 63 minuty dookoà Âa à Âwiata, Piotr "Magik" à Âuszcz left the band. Kaliber 44's third album 3:44 was released in 2000 and got the Fryderyk award. Their last album "Uà Âamek Tarcia" was recorded in 2016 and they took first place of OLiS list.
After the release of 3:44, Abradab started his solo career. On 6 June 2004, he released his first solo album Czerwony album through S. P. Records. The album charted at No.14 on OLiS. The album featured a popular song titled "Rapowe ziarno 2 (Szyderap)", for which a music video was released. The album won Fryderyk award in the "Album of the Year â Hip-Hop/R&B" category, while "Rapowe Ziarno 2 (Szyderap)" received a nomination in the "Video of the Year" category.
Abradab's second album ' was released on 1 December 2005 and featured guest appearances by rapper Numer Raz, Gutek and Abradab's brother Joka. The album peak at No.38 on OLiS. ' was followed by ', which was released on 3 October 2008 and featured Grubson, reggae singer Marika and IGS. The album peaked at No.42 on OLiS. Both albums received nominations for Fryderyk award.
On 4 October 2010, the fourth solo record by Abradab was released. The album, titled Abradabing and produced by rapper O.S.T.R., received a Fryderyk award for Hip-hop/R&B Album of the Year. Marten's fifth studio album, ExtraVertik, was released on 21 April 2012 through Abradab's record label Inna-My-Twórnia.
|- | rowspan="2"|2004|| Czerwony album || Album of the Year â Hip-Hop/R&B || |- | "Rapowe Ziarno 2 (Szyderap)" || Video of the Year || |- | 2006|| Emisja spalin || rowspan="3"| Album of the Year â Hip-Hop/R&B || |- | 2009 || Ostatni poziom kontroli || |- | rowspan=2 | 2011 || Abradabing || |- | MÃÂskie granie <small>(with Smolik, Maleà Âczuk, Waglewski, Mitch&Mitch, Pogodno, Fisz Emade, Kim Nowak, DJ Eprom, OXY.GEN, Voo Voo, Jacaszek)</small> || Album of the Year â Alternative || |- |2019 | 048 |Album of the Year â Hip-Hop/R&B |
|- | 2005 || Czerwony album || rowspan="2"| Album hip-hop || |- | 2006 || Emisja spalin || |-