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Representing a "big four" country, Meyer-Landrut automatically qualified for the final of the Eurovision Song Contest 2010.
In March 2015 she released the single "Traffic Lights" and the fourth studio album on which it appears, Crystal Sky, in May.
In September she released the single "Stardust" from the album of the same name which was released on 12 October.
A second single, "Neon (Lonely People)", was released in March 2013.
From 4,500 entrants, Meyer-Landrut was picked as one of the 20 contestants for the show.
Asked about her motivation to apply, she said, "I like to test myself.