"Radio-Activity" is a studio album by the German electronic music band Kraftwerk. Released November 1975, by Kling Klang Studios, it marked the band's complete transition towards advanced electronic instrumentation and away from traditional rock structure.
"Radio-Activity" is a concept album themed around radio communication, nuclear radiation, and radioactivity. Despite its 'less-is-more' sonic philosophy, the album contributed significantly in pioneering the music genre of electronica. It produced two singles, "Radioactivity" and "Antenna," with the former being the title track. The album received widespread critical acclaim for its innovation and musical craftsmanship.
Chronologically, "Radioactivity" is the fifth studio album put out by Kraftwerk. Although initially it didn't perform as commercially successful, it garnered attention over time and is currently considered to be one of the foundational albums of electronic music. As with other Kraftwerk albums, "Radio-Activity" was fully composed and performed by members Ralf Hütter and Florian Schneider, with the artwork designed by Emil Schult.
In 1991, a digitally remastered version of "Radio-Activity" was released, and later in 2009, a further remastered version came out. Today, the album is recognized as one of Kraftwerk's most experimental artistic ventures, and it significantly influenced generations of musicians in the electronic and synth-pop genres.