<human>:  Why did the blues guitarist Stevie Ray Vaughan die?
<bot>: Stevie Ray Vaughan died in a helicopter crash on August 27, 1990. He was one of the most influential blues guitarists of all time, and his influence on modern rock music is still felt today. He was one of the most popular and influential blues guitarists of the 1980s, and he was inducted into the Rock and Roll Hall of Fame in 1994.