Any other "Deaths Come in Threes" that we know of?

[Cincinnatus]

Bert Jansch just died too though.

And was a bigger loss than most of the rest put together...

You two guys each created a thread announcing this, and I still have no idea who he was.

Three of the most influential rock & roll musicians, who all died in a plane crash.  Thus, "The Day the Music Died..Bye Bye Miss American Pie".

[Cincinnatus]

... Re-read the post you just quoted and see if you can spot your mistake.