He continued postgraduate[2] (post master) study of composition at the Universität für Musik und Darstellende Kunst in Wien with professor Detlev Müller-Siemens and graduated with the highest score in 2005.

Composer and pianist Jürg Wyttenbach, conducted Residbegovic's composition "The impact of analog synthesizer" for ensemble in Sarajevo, in 2015.

[21] His works were performed with conductors such as: Obrad Nedeljković,[22] Dario Vučić,[23] Josip Nalis,[24] Jaime Wolfson,[25] Emir Mejremić[26] and Samra Gulamović.

[28] His works were also performed by orchestras/ensembles such as Sarajevo Philharmonic Orchestra, Belgrade String Orchestra "Dušan Skovran",[29] Ensemble Proton Bern,[30] Pons Artis Ensemble,[31] Austrian Art Ensemble,[32] Sonemus,[33][34] Trio Magis,[35] Platypus[36] in Italy, Croatia,[37] Slovenia, Serbia, Germany, Japan, Bosnia and Herzegovina, Switzerland,[38] Austria, and USA (including Carnegie Hall).

Inspired by musicians such as John Cage, Mauricio Kagel, Karlheinz Stockhausen, Hans-Joachim Hespos and his professors Rainer Bischof and Detlev Müller-Siemens, he started to write music without tone pitches and established many compositional techniques of "reductional complexity".