Nick LaRocca (1889-1961) was an American cornetist and bandleader, best known as a pioneer of early jazz music. He was born in New Orleans, Louisiana, and became a prominent figure in the development of jazz during the early 20th century. LaRocca is best known as the leader of the Original Dixieland Jazz Band (ODJB), which formed in 1916. The ODJB is credited with recording the first jazz record, "Livery Stable Blues," in 1917, which played a crucial role in bringing jazz to a wider audience. LaRocca's style combined elements of ragtime and early jazz, characterized by strong melodies and rhythmic improvisation. His work with the ODJB helped define the New Orleans jazz sound and influenced subsequent generations of musicians. Notable recordings include "Tiger Rag" and "Clarinet Marmalade." Despite some controversy over his claims regarding the origins of jazz, LaRocca's contributions to the genre are significant. He helped establish jazz as a legitimate musical form and laid the groundwork for its evolution throughout the 20th century, making him a key figure in the history of American music.