Harry Yerkes
... that musician and band contractor Harry Yerkes managed ensembles that played an important role in the transition from ragtime to jazz?
... that musician and band contractor <b id="mwC9Y"><a href="./Harry_Yerkes" id="mwC9c" rel="mw:WikiLink" title="Harry Yerkes">Harry Yerkes</a></b> managed ensembles that played an important role in the transition from <a href="./Ragtime" id="mwC9g" rel="mw:WikiLink" title="Ragtime">ragtime</a> to <a href="./Jazz" id="mwC9k" rel="mw:WikiLink" title="Jazz">jazz</a>?