Ayben is sister of Ceza.
He gave 7 martyrs to his family in the Battle of Canakkale.
The music of Adanali (2008) TV series is also composed of Ceza's songs.
In 2011 he made a duet with Tech N9ne on album "All 6's and 7's".
In MySpace has joined a festival in the United States, leaving world famous names behind.
He has been at the Fanta Youth Festival twice in 2009 and 2010.
He separated his ways with Sagopa Kajmer, whom he once worked with.
In 2007 Mercan Dede's duet with Yildiz Tilbe in "Tutsak" song on "800" album.
In an interview, Özçalkan said that he had wanted to release his new music for a very long time now, but partly because of the Gezi Park incidents, he had grown a bit cold towards music, and felt like people wouldn't understand the messages he tried to convey anyway.
He became the first Turkish artist to receive an award at MTV EMA.
He co-produced with Killa Hakan is there are two albums. Someone has increased sales in Turkey, the other in Germany.
In 1995 - 1996 he founded the group of Uslanmaz Çocuklar Senfonisi (U.C.S).
He won "Best Male Musician" at 8th ITU Social Media Awards in 2018.
Ceza also featured with Tech N9ne, Busta Rhymes, Twista, Yelawolf in the song "Worldwide Choppers" in the American legendary rapper Tech N9ne's album "All 6's & 7's" and gave considerably important concerts abroad.