Man behind Flegma project is Dalibor Delic from Belgrade, Serbia. Flegma's debut album was released in collaboration with Dragan (aka Nerso) in October 2009 for IONO Music from Germany.

Second album, "8 Cell", was made in collaboration with Zyce and released for TesseracTstudio in 2011. Aside from releasing tracks for TesseracTstudio, Dalibor worked for some of the major progressive trance labels, such as Iboga records, IONO Music, Spin Twist, Blue Tunes, and others. Over the years on the scene, he made numerous collaboration tracks and remixes with artists like Freq, Zen Mechanics, Liquid Soul, Ace Ventura, Jaia....

Together with Zyce, Dalibor is involved in "Ectima" - progressive tech-trance project with focus on underground sound, hypnotic themes and basement atmospheres.

Since 2006, Dalibor and Nikola have established artists organization "TesseracTstudio" which grew up and became their main label in 2009, gathering some of the finest act of today's progressive trance scene like Talpa, Sonic Entity, Vertex and more.