Notenkleckser has 5 SDP concerts.

Established in 1999, SDP, formerly known as Stonedeafproduction, is a distinctive German musical duo, comprised of Vincent Stein and Dag-Alexis Kopplin. In addition to their work with SDP, Stein, under the alias Beatzarre, is a renowned producer for top German artists like Bushido and Sido, while Kopplin is a respected songwriter, crafting pieces for Lena Meyer-Landrut and Mark Forster among others. The duo released their debut studio album, "Räuberpistolen" in 2004. They've since released eight more, with the ninth, "Ein gutes schlechtes Vorbild" (2022), becoming their second consecutive album to reach the top spot on the German albums chart. With notable hits like "Ich will nur dass du weißt" (featuring Adel Tawil), "So schön kaputt," and "Unikat", SDP has cultivated a broad fanbase and solidified their position in the German music scene.