Maybebop is a German male a cappella quartet consisting of founding member Oliver Gies, Jan Malte Bürger, Lukas Teske and Christoph Hiller. The group sings predominantly German-language self-compositions, although it has released cover versions of rock hits such as "Nothing Else Matters", "Smells Like Teen Spirit" and "Bohemian Rhapsody". In addition, the group has released jazz adaptations of folk and Christmas songs like "Abendlied", "Die Gedanken sind frei" and "Still, still, still".