Alessandro Rütten, known professionally as Sandro Nicolas, is a German singer of Greek and American origin. He got into music at an early age, writing his first songs at the age of 15.

In 2015, he auditioned for the 9th season of Das Supertalent, the German version of the Got Talent franchise, but did not advance far in the competition. Three years later, he competed in the 8th series of The Voice of Germany. He was eliminated in the sing-off round.

In 2019, he represented the United States at the New Wave festival, finishing in 6th place and placing higher than 2018 Azeri Eurovision representative Aisel.

On 29 November 2019, CyBC announced that he would be representing Cyprus at the Eurovision Song Contest 2020 in Rotterdam with the song Running.

It was later announced on 1 June 2020 that due to other commitments, Sandro would not return for 2021 following the cancellation of the 2020 contest.

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