the new orleans cornetist credited with establishing the instrumentation of the era was
Original Dixieland Jass Band ODJB billed itself as the "Creators of Jazz". It was the first band to record jazz commercially and to have hit recordings in the new genre. Band leader and cornetist Nick LaRocca argued that ODJB deserved recognition as the first band to record jazz commercially and the first band to establish jazz as a musical idiom or genre.