Claim: The avant garde jazz group Ratchet Orchestra, from the French-speaking city Montreal, roots back to the early 1990s with Nicolas Caloia, later on expanding the membership into 31 with the band's third album.
Evidence: The Ratchet Orchestra is an avant garde jazz musical group based in Montreal, Canada. French is the city's official language and in 2016 was the main home language of 49.8% of the population, while English was spoken by 22.8% at home, and 18.3% spoke other languages (multi-language responses were excluded from these figures). The band was started in the early 1990s, when musical director Nicolas Caloia began experimenting with improvised chamber jazz. Their third album Hemlock brought in a large number of musicians, with 31 members counted on the back of the CD.