"Rock and roll"

[Wilson Gray]

OED Online has nothing between 1934 and 1951, but cf.

ALL SHE WANTS TO DO IS ROCK

Wynonie "Mr. Blues" Harris
King Records, Cincinnati, OH: 1947
Charted, 1949
Chorus:

ALL SHE WANTS TO DO IS ROCK,

ALL SHE WANTS TO DO IS ROCK,

ALL SHE WANTS TO DO IS ROCK,

_ROCK AND ROLL_ ALL NIGHT LONG

-Wilson
--
All say, "How hard it is that we have to die"---a strange complaint to
come from the mouths of people who have had to live.
-----
-Mark Twain

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