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
Eddie Condon's Jazz Concerts directors, and Ernest Anderson was the producer. Some episodes of broadcasts of "Eddie Condon's Jazz Concerts" have been made available commercially for later generations to hear, creating "jazz's time capsule [that] lives on through the Golden Age of Radio". Eddie Condon's Jazz Concerts Eddie Condon's Jazz Concerts is an American old-time radio program featuring Dixieland and jazz music. It was broadcast on the Blue Network from May 20, 1944, to April 7, 1945. In 1942, musician Eddie Condon began staging concerts in New York City, with Carnegie Hall and Town Hall as venues. By 1944, the performances were sold out.