Jiří Kabeš, alias Kába (* 26 March 1946 in Křemín, Czechoslovakia) is a Czech rock singer, violist, violinist, guitarist and songwriter. From 1970 he is member of The Plastic People of the Universe which he play on viola and violin, occasionally sings and play on theremin. early seventies he played with rock'n'roll group The Old Teenagers. Since 1997 he is also member of The Velvet Underground Revival Band which plays the guitar. He was also a member of Milan Hlavsa's band called Půlnoc and Echt!.