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. Klaus Meine: Klaus Meine (born 25 May 1948) is a German vocalist, best known as the lead singer of the hard rock band Scorpions.
yes