 The article in Downbeat about Dodds' induction again blames the recording technology in the 1920s, and it also acknowledges the fact that when Dodds was in his prime, the hi-hat had not yet been invented.By today's standards, Dodds played with an incomplete drum set for much of his career.The Historic New Orleans Collection opened the Williams Research Center in 1966 as part of its plan to promote education about New Orleans history.