First, sweep everything out of your mind.
Then, sweep out the sweeper.
This morning, driving through Winchester, my listening was Fabio Biondi and Europa Galante playing concerti by Antonio "Spunky" Vivaldi.
Today, I have not yet done any actual composing; but I have cast my eye upon fresh sketches.
A few months ago, I picked up (quite on whimsical spec) a collection of essays by Roger Shattuck, The Innocent Eye, for perhaps a dollar and fifty cents. I was just browsing a chapter in the form of an exchange of letters about Stravinsky, fully justifying the purchase.