German pop star Nena sings about music and nostalgia. Having sung many of Germany's greatest hits, she certainly knows what she's talking about!

This light pop hit from Nena is about being in love and making mistakes. The director in the music video is played by Helmut Burger, a famous German actor.

German pop legend Nena performs "Nur geträumt," one of her later hits.

Lisa, Leni, and Malin were having trouble memorizing the multiplication tables – and thought that turning the tables into a song would make them much easier to learn! Luckily, Lisa's father works with German pop star Nena, whom they asked to help out.

German New Wave icon Nena (who sang “99 Luftballons” in the 1980s) takes us back to the era with a breathy synth-pop anthem about optimism and a love of life.

Nena performs "Leuchtturm" (Lighthouse), one of her most popular songs from the early 1980s, for an energetic crowd in Dortmund. The lyrics are simple and heartfelt, and the audience knows every word!

“Leise rieselt der Schnee” (“Softly falls the snow”) is a popular German carol about winter and the Christ Child’s arrival. The lyrics are from a poem by Eduard Ebel (1839-1905).

Namika brings us back to the best of early millennium light (think Norah Jones) and enchants us with her new single "Lieblingsmensch."

German singer Namika sings "Hellwach," a song about staying out all night in the city.

Namika is a Frankfurt-based singer with Moroccan roots. Her song "Alles was zählt" (“All That Counts”) is an attempt to understand the meaning of life through numbers — and to think about what really matters in the end.

"Ohne dich (schlaf ich heut Nacht nicht ein)" [Without you (I won't fall asleep tonight)] is a love song by German pop-rock band Münchener Freiheit. In the chorus, the singer assures his lover, "Das was ich will, bist du" (What I want is you).

You may know that recycling is a widespread practice in Germany, but how exactly does it work? Mechthild Stein tells us what type of garbage goes in which bin, and also explains how different types of garbage are dealt with in Heidelberg.

German band Montag covers this great Udo Jürgens classic “Tausend Jahre sind ein Tag” [A Thousand Years are One Day]. Enjoy listening!

Two days before New Year's Eve, Tristan has to finally make good on a promise he'd made a while ago to play Monopoly with his daughter. Unfortunately things get a little out of hand. Viel Spaß!

Mofy picks some strawberries so that she will have something to trade at the swap meet. Her goal is to get some presents for her friends.