Alte Bekannte and Wise Guys

Wise Guys, originating from Cologne, Germany, were a renowned a cappella group active until 2017. They captivated audiences with innovative pop and rock arrangements, humorous German lyrics, and impressive vocal imitations of instruments. Known for popularizing a cappella in Germany, they achieved multiple gold records, including for their album "Zwei Welten," and had a breakthrough hit with "Jetzt ist Sommer." They earned an Echo Award for Artist Crossover.