"Achtung Baby" is the seventh studio album by the Irish rock band U2, released in 1991. This album marked a significant shift in their sound, blending rock with elements of electronic music and alternative styles. It features hit songs like "One" and "Mysterious Ways," showcasing the band's evolution and experimentation during a challenging period in their career. The album was recorded in Berlin, a city rich in history and culture, which influenced its themes of love, conflict, and identity. "Achtung Baby" received critical acclaim and is often regarded as one of the greatest albums of all time, solidifying U2's place in music history.