Johnny Otis, a key figure...

...in the evolution of rock 'n roll, died at age 90:

Leading a band in the late 1940s that combined the high musical standards of big band jazz with the raw urgency of gospel music and the blues, Mr. Otis played an important role in creating a new sound for a new audience of young urban blacks. Within a few years it would form the foundation of rock ’n’ roll.

And he had my Dad beat (my emphasis):

In addition to his sons, he is survived by his wife of 70 years, the former Phyllis Walker...