March 9: Alliance française Singapour: concert La Soirée Opéra

March 11: NUS University Cultural Hall, first performance of "City Scape" for Niibori orchestra and electro acoustic-music

March 21: NUS Yong Siew Toh Conservatory of Music: concert with The Chamber Singers

March: publication of new score compact disk "Resonances of Asia volume 3"

April: publication of new score "Nachtlied"

May: publication of new score of "Féline Colère"

June 5: NUS U-Town: premiere of Venus Transit @ NUS 2012 for wind orchestra of 200 brass instruments and celestial sounds

July 15: Esplanade Recital Hall: Spectrum concert entirely devoted to Casteels's works with the premiere of the song cycle "Music from the Heart" 

August: publication of new score of "Fear&Greed"

September 29 and 30: city of Landen, Belgium: premiere of opera entitled De Kaartridder