Tuhia he tohutoro mō tēnei wāhanga - I te 13 o ōna tau, ka tīmata a De Blue ki te waiata i roto i ngā rōpū. I taua wa i mahi tana roopu i etahi whakaaturanga taranata, i riro ai i a raatau te tuatoru o nga waahi i te Pakanga o nga Bands i whakaritea e Red Bull. I te tau 2011, i uru atu a De Blue ki te tirohanga i muri i tana wikitoria i te pooti YouTube mo te whakaaturanga taranata o Austria The Voice 2011. I waenga i te 2014 me te 2016 i whiwhi ia i te waahi hei whakatuwhera i te Kitzbühel Musikfestival. Ko De Blue hoki te mahi kati i te Donauinselfestes 2016, i reira i mahi tahi ai ia me Camo & Krooked i runga i te atamira FM4. I whiwhi ano ia i etahi whakaaturanga i te ProSieben-Puls 4 GameChanger Festival. I whai honore hoki a De Blue ki te noho ko ia te Austrian tuatahi ki te waiata i te waiata motu "hou" o Austria i te 2012 Winter Youth Olympics
i Innsbruck. I te tau 2014, i tono a De Blue mo te The Voice of Germany, i reira ka noho ia hei kaiwaiata tuatahi mai i Tyrol ki te eke ki te Top 40, ka uru atu ki te roopu o Max Herre, ka noho mai i te Austrian tuatahi ki te eke ki te rauna Whakaaturanga o te whakaaturanga. I te timatanga o te tau 2016, i tohua a De Blue e te kaiwhakarato ORF o Austria hei mahi kaari hei whakauru ki te whiringa Eurovision Song Contest o te whenua. I whakatangihia e ia te waiata "Closer to the Sun", engari kaore i tae ki te whakamutunga. E rua tau i muri mai, i whakamatauria a De Blue mo te Eurovision Song Contest ano, i tenei wa i uru ia ki te whiringa Sammarinese. I tata ia, i mutu i te 2 o nga waahi, me tana waiata "Out of the Twilight". I te tau 2019, i tonoa a De Blue ki te mahi hei kaitoi manuhiri i te whakaaturanga pouaka whakaata o Austrian Dancing Stars. I mahi ano ia i te Life Ball me te tokorua Electro-Swing Cirque De La Nuit. I te Akuhata 2019, i mahi ia i te huihuinga waiata Romanian Cerbul de Aur i Brașov, i toa i te tohu tuatahi.