<prompt> Feleletša polelo e latelago: Ge a e-na le nywaga e 13, De Blue o ile a thoma go opela ka dihlopheng tša mmino. Ka nako yeo sehlopha sa gagwe se ile sa bapala dipontšhong tše mmalwa tša talente, moo ba ilego ba thopa maemo a boraro go Battle of the Bands yeo e bego e rulagantšwe ke Red Bull. Ka 2011, De Blue o ile a tsena ka gare ga tlhokomelo ka morago ga go thopa go bouta ga YouTube bakeng sa pontšho ya talente ya Austria The Voice 2011. Magareng ga 2014 le 2016 o ile a ba a thopa sekgoba sa go bula mokete wa Kitzbühel Musikfestival. De Blue gape e be e le tiro ya go tswalela ka Donauinselfestes 2016, moo a ilego a dira mmogo le Camo Krooked ka FM4 Stage. Gape o ile a hwetša dipontšho tše mmalwa ka ProSieben-Puls 4 GameChanger Festival. De Blue gape o bile le kgodišo ya go ba mo-Austria wa mathomo wa go opela kopelo ya setšhaba ya lefsa ya Austria kua  <response>: Di-Olimpiki tša Marega tša Bafsa tša 2012 kua Innsbruck. Ka 2014, De Blue o ile a dira kgopelo ya The Voice of Germany, moo a bilego moopedi wa mathomo go tšwa Tyrol go fihlelela Top 40, a dira gore e be sehlopheng sa Max Herre, le go ba go tšwa go mo-Austria wa mathomo go fihlelela lenaneo la Showdown. Mathomong a 2016, De Blue o ile a kgethwa ke kgašo ya Austria ORF bjalo ka tiro ya wildcard go kgetho ya Eurovision Song Contest ya naga. O ile a opela le go lokolla kopelo ya Closer to the Sun, eupša a se tsenele makgaolakgang. Nywaga e mebedi ka morago, De Blue o ile a leka gape go tsenela Phadišano ya Kopelo ya Eurovision, mola lebakeng le a ile a tšea karolo kgethong ya Sammarinese. O ile a batamela kudu, a fetša a le maemong a bobedi, ka kopelo ya gagwe ya Out of the Twilight. Ka 2019, De Blue o ile a laletšwa go dira bjalo ka moeng wa seopedi ka go Austrian TV show Dancing Stars. O ile a ba a bapala ka Life Ball le Electro-Swing duo Cirque De La Nuit. Ka Agostose 2019, o ile a bapala ka moletlong wa mmino wa Seromania Cerbul de Aur ka Brașov, a thopa sefoka sa mathomo. 