mahler's ninth symphony

Have you guys heard about the curse of the ninth symphony? It’s an old superstition that you’ll die while writing your ninth symphony, or after.
Like..
Beethoven
Dvorak
Schubert
Mahler tried to skip it by naming his ninth symphony something other than a symphony and then died during the writing of his tenth
Williams
Glazunov
Bruckner
And some recent guy, Davies, laughed when people asked if he was worried about the curse of the ninth, and then was rushed to the hospital and diagnosed with cancer.
Whoa.
Crazy right?
So crazy.