In October 1975, “Kling Klang” label released “Radio-Activity” (Radio-Aktivität in German), the fifth Kraftwerk studio album. It was recorded in 1975, at “Kling Klang Studio” in Düsseldorf, Germany, and was produced by Ralf Hütter and Florian Schneider.

Personnel:

• Ralf Hütter– voice, synthesizer, Minimoog, Vako Orchestron model A, drum machine, electronics.
• Florian Schneider– voice, vocoder, votrax, synthesizer,
• Karl Bartos– electronic percussion.
• Wolfgang Flür– electronic percussion.
• Peter Bollig – technical engineer
• Walter Quintus– sound mix engineer .
• Robert Franke – photography.
• Emil Schult– artwork.

Track listing:

1. Geiger Counter (Geigerzähler) – Ralf Hütter, Florian Schneider
2. Radioactivity(Radioaktivität) – Ralf Hütter, Florian Schneider, Emil Schult
3. Radioland – Ralf Hütter, Florian Schneider, Emil Schult
4. Airwaves (Ätherwellen) – Ralf Hütter, Florian Schneider, Emil Schult
5. Intermission (Sendepause) – Ralf Hütter, Florian Schneider
6. News (Nachrichten) – Ralf Hütter, Florian Schneider
7. The Voice of Energy (Die Stimme der Energie) – Ralf Hütter, Florian Schneider, Emil Schult
8. Antenna (Antenne) – Ralf Hütter, Florian Schneider, Emil Schult
9. Radio Stars (Radio Sterne) – Ralf Hütter, Florian Schneider, Emil Schult
10. Uranium (Uran) – Ralf Hütter, Florian Schneider, Emil Schult
11. Transistor – Ralf Hütter, Florian Schneider
12. Ohm Sweet Ohm – Ralf Hütter, Florian Schneider