Are both Robert Plant and Klaus Meine a musician?
Robert Plant Robert Anthony Plant, {'1': ", '2': ", '3': ", '4': "} (born 20 August 1948) is an English singer, songwriter, and musician, best known as the lead singer and lyricist of the rock band Led Zeppelin.
Rio Reiser Rio Reiser (9 January 1950 – 20 August 1996), was a German rock musician and singer of rock group Ton Steine Scherben. He was born Ralph Christian Möbius in Berlin and died at the age of 46 in Fresenhagen, Germany. Rio Reiser supported squatting in the early 1970s and later the green political party Die Grünen. After German reunification, he joined the Party of Democratic Socialism.