 Elia's compositional work comprises pieces from a wide range of genres and instrumentation from musical based plays to opera/music theatre and multimedia, instrumental and vocal works also with the inclusion of electronic media and an expansion of the musical material through unusual acoustic and visual elements.His stage works have been produced by the Staatsoper Hannover, the Staatsoper Stuttgart, the Macedonian National Opera and ballet, the Stuttgart etc.International orchestras and Ensembles like the SWR Symphony Orchestra Baden-Baden and Freiburg, SWR Vocal Ensemble Stuttgart, German Radio Philharmonic Saarbruecken-Kaiserslautern, Stuttgart State Orchestra, Sinfonietta of the Gewandhaus Orchestra Leipzig, Ensemble Modern, Moscow Contemporary Music Ensemble, Austrian Ensemble for Contemporary Music, Children's Choir of the Stuttgart State Opera, Netherlands Accordion Orchestra etc.