A black comedy set in a Prague cabaret.

Dobře placená procházka (English title: Worth While or A Well Paid Walk) is a Czech musical and film.

In 1965, during eminent trumpeter Louis Armstrong’s visit to Prague, Jan Spata then a young promising documentary filmmaker, created the report 'Hallo Satchmo'.

A military base. An awkward soldier. A statue of Bach. And suddenly all guns in the area change into music instruments. Great mystery is immediately found by TV station. And soon the military base becomes a stage for huge TV show.

Two closely related episodes. Youths make problems for two local orchestras about to compete nationally, and in a talent competition a young girl gets stage fright, while another lies to her boss to compete.