Ivan Hlas with his trio.

Born on 10 May 1954 in Prague's Vinohrady in four years, he moved to Prague Hanspaulka. Trained as a bookseller, after seven years of practice, was replaced by a number of different jobs (about twenty-three at random - a stagehand at the National Theatre, ibid upholsterer, a vegetable seller, output controller for computers, worker moistener in paper mills, reader water, construction worker, stoker, an assistant at a construction plant , postman etc.) throughout primarily a musician.