Blue World (LP)Vinyl LP pressing. 2019 archive release. In 1964, the National Film Board of Canada asked John Coltrane to record the soundtrack for a French language film titled Le Chat Dans Le Sac (The Cat in the Bag). In June of that year, Coltrane's classic quartet entered Rudy Van Gelder's studio and recorded five previously recorded Coltrane originals. For many years, viewers of the film who recognized the music thought that they were listening to the original