It is best known for painstaking reconstructions of performances of music of the 1920s, using authentic instruments, and improvisation in the style of the time.
The initial line-up in 1974 was a five-man band (three wind instruments, piano and banjo) under the artistic direction of musicologist Pavel Klikar.
In May 1978 the band came to European prominence playing at the Festival of Old Jazz in Breda, the Netherlands.
During the 1980s, the ensemble's live concerts regularly featured lyrics in English, but broadcast performances did not.
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