Martin was born on 30 July 1990 in Landshut. His parents are Bernhard Stosch and Elisabeth Stosch and he has two sisters, Sandra and Vanessa. Before the fourth season of DSDS he was to be on a school band, as very good guitarist. Today, he lives in Postau a small township in Lower Bavaria.
In September 2006, he attended the show's casting in Munich and inspired the jury with his two songs "Tears in Heaven" by Eric Clapton and "Wake Me Up When September Ends" by Green Day. In the Top 20 shows he convinced the public to vote for him, as he sang the songs: "Home" by Michael Bublé and Westlife's cover of "Mandy". Stosch made it to the Top 10, only to be in the bottom group every week up to his elimination. However, Max Buskohl, who was a favorite to win the competition along with Mark Medlock, dropped out of the competition to sign a record contract with his band. Thus, Stosch returned to the show and made it to the finale against Medlock in which he became the runner up.
Performance at Deutschland sucht den Superstar