Wer wird Millionär is the German version of Who Wants to Be a Millionaire, broadcast by RTL since 1999 and hosted by Günther Jauch. In the format, contestants climb a money tree by answering increasingly difficult questions, and stufe wechsel means level change. Short stings mark those steps, separating safe earlier rounds from the riskier higher prizes. Clips of the sound have spread online among quiz and gaming creators, who reuse it outside the show to signal progress, rising difficulty, and a sudden increase in pressure.