Cornelis Ernst "Cees" Slinger was born on May 19, 1929, in Alkmaar, Netherlands.
He began his career as a modern jazz pianist in the 1950s, founding and leading
the hardbop combo Diamond Five. The group performed at Amsterdam's Sheherazade
jazz club from 1958 to 1962. In 1963, they collaborated with the Concertgebouw
Orchestra for Otto Ketting's Concertino for Symphony Orchestra and Jazz Quintet,
and in 1964, they disbanded. Slinger took a job in the steel industry but
returned to full-time jazz in 1974. He performed with artists like Freddie
Hubbard and Dexter Gordon, and accomp...