Anthony “Little Benny” Harley, who learned the trumpet at Ballou High School and went on to establish the D.C. go-go scene, died in his sleep early Sunday morning at the age of 46; he been suffering effects from a recent major surgery, though an autopsy will be performed to find the exact cause. The City Paper’s Arts Desk has a fantastic write-up of Little Benny’s many musical accomplishments, only the latest of which was performing…