What is "massiel"

María de los Ángeles Felisa Santamaría Espinosa (born August 2, 1947), professionally known as Massiel, is a Spanish pop singer. She won the Eurovision Song Contest 1968 with the song " La, la, la", beating the British pop singer Cliff Richard's " Congratulations".

She decided to abandon her music career in 1996, but released another album a year later and a further one in 2007, along with two new editions of 1970s albums.