He has maintained a steady output of performances and premieres with an eclectic variety of influences and is seen frequently collaborating with electronic musicians, DJs and video artists. Recent commissions and premieres include Monadologie IX, III. Streichquartett for the Arditti String Quartet, a 60-minute piece commissioned by Donaueschingen, Monadologie X 'alla turca' for player piano, an SWR commission, Monadologie XI '..for Anton' 2. Kammersinfonie for chamber orchestra from WDR. Lang has had many commissions in international festivals including Darmstadter Ferienkurse, Donaueschingen, Moskow Modern Festival, Biennale Hannover, Salzburger Festspiele, Wien Modern.