Claim: Canadian avant garde jazz group Ratchet Orchestra 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. 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.