<prompt> Bhala okuqhubekayo kwalesi sigaba - Lapho eneminyaka engu - 13, uDe Blue waqala ukucula emaqenjini. Ngaleso sikhathi iqembu lakhe lasebenza emibonisweni yamathalente eminingana, lapho bathola khona indawo yesi-3 eBattle of the Bands ehlelwe yiRed Bull. Ngo-2011, uDe Blue wangena ekukhanyeni ngemuva kokuwina ukuvota kwe-YouTube embukisweni wamathalente wase-Austria iThe Voice 2011. Phakathi kuka-2014 no-2016 wabuye wathola indawo njengomsebenzi wokuvula eKitzbühel Musikfestival. UDe Blue ubuye abe ngumculi wokuvala eDonauinselfestes 2016, lapho enza khona kanye noCamo Krooked ku-FM4 Stage. Wabuye wathola ukusebenza eziningana ngesikhathi ProSieben-Puls 4 GameChanger Festival. UDe Blue uphinde waba nelungelo lokuba ngumuntu wokuqala wase-Austria ukucula iculo elisha lesizwe lase-Austria kuma-Olimpiki Wentsha Yasebusika ka-2012  <response>: e-Innsbruck. Ngo-2014, uDe Blue wafaka isicelo seThe Voice of Germany, lapho waba ngumculi wokuqala waseTyrol ukufinyelela ku-Top 40, wakwenza kwaba yithimba likaMax Herre, futhi waba ngowokuqala wase-Austria ukufinyelela embuthanweni we-Showdown. Ekuqaleni kuka-2016, uDe Blue waqokwa ngumsakazo wase-Austria i-ORF njengomsebenzi we-wildcard ekukhetheni kwezwe kwe-Eurovision Song Contest. Wenza futhi wakhipha ingoma ethi Closer to the Sun, kodwa ngaphandle kokungena kowamanqamu. Eminyakeni emibili kamuva, uDe Blue waphinde wazama i-Eurovision Song Contest, kanti kulokhu wabamba iqhaza ekukhetheni kweSammarinese. Wasondela kakhulu, waqeda endaweni yesibili, ngengoma yakhe ethi Out of the Twilight. Ngo-2019, uDe Blue wamenywa ukuba enze njengomculi oyisivakashi ohlelweni lwe-Austrian TV iDancing Stars. Uphinde wadlala ku-Life Ball ne-Electro-Swing duo Cirque De La Nuit. Ngo-Agasti 2019, wadlala emkhosini wengoma waseRomania iCerbul de Aur eBrasov, wathola umklomelo wokuqala. 