A). He pioneered the use of electric piano and synthesizers in jazz.
B). He pioneered the use of modes.
C). He introduced nonconventional instruments to jazz
D). He was the first to combine punk instrumentation with jazz
The best statement to identify Joe Zawinul's key contribution to the world of jazz is that he pioneered the use of electronic piano and synthesizers in this particular music field. He introduced the electronic piano in the mainstream music industry and made the synthesizer a very striking musical instrument.
