What company introduced a digital music workstation in 1992 and is the world's largest piano manufacturing company? A: Yamaha Corporation 
Yamaha SY85: The Yamaha SY85 is a digital music workstation introduced in 1992. Yamaha Corporation: Yamaha Corporation (ヤマハ株式会社 , Yamaha Kabushiki Gaisha ) ( or ; ] ) is a Japanese multinational corporation and conglomerate based in Japan with a very wide range of products and services, predominantly musical instruments, electronics, and power sports equipment. Yamaha Corporation:  It is one of the constituents of Nikkei 225 and is the world's largest piano manufacturing company.
i don't know