Among the 'one hit wonders' of the Sixties was the Dutch band called Shocking Blue. Their lead singer was Mariska Veres known for her sultry voice, eccentric performances, and her striking appearance which featured kohl-rimmed eyes, high cheekbones, and long jet black hair, which was actually a wig.
Her real name was Maria Ender. Her father was the Hungarian Romani violinist Lajos Veres.
.... and this is her father, Lajos Veres: 'Sirba pompierilor-doina' (1960):