Jazz leader of New Orleans' Camelia Brass Band, D'Jalma Ganier, taught Louis Armstrong to play trumpet; Armstrong would then popularize the New Orleans style of trumpet playing, and then expand it. Like Jelly Roll Morton, Armstrong is also credited with the abandonment of ragtime's stiffness in favor of swung notes. Armstrong, perhaps more than any other musician, codified the rhythmic technique of swing in jazz and broadened the jazz solo vocabulary. The Original Dixieland Jass Band made the music's first recordings early in 1917, and their "Livery Stable Blues" became the earliest released jazz record. That year, numerous other bands made
Southland (jazz venue) Southland (jazz venue) Southland was a ballroom/cafe on Warrenton Street in Boston, in the United States, in what is now the Charles Playhouse. Originally a church, converted into a club, is best known for featuring prominent jazz artists of the 1930s and 1940s such as Count Basie (most associated with the club), Duke Ellington, Cab Calloway, Jimmie Lunceford, and many others. Southland was connected to the radio and it became a notable venue for broadcasting jazz over the radio in the 1940s. On 19 February 1940, Count Basie and his Orchestra opened a four-week engagement at Southland which was broadcast