Biography
Willi Gräff
German accordion virtuoso, born 10.2.1928 in Cologne, died 06.07.1994. Worked for Westdeutscher Rundfunk (WDR) and played as an accordion solist with Adalbert Luczkowski, Werner Müller, Kurt Edelhagen, Heinz Hötter, Heinz Geese and lots more.