Isotope 217

Isotope 217°
Origin	Chicago, Illinois, United States
Genres	Jazz-funk, jazz fusion
Years active	1997–present
Labels	Thrill Jockey Aesthetics
Associated acts	Tortoise Chicago Underground Duo Chicago Underground Orchestra
Website	Thrill Jockey: Isotope 217°
Members	Dan Bitney John Herndon Rob Mazurek Jeff Parker Sara P. Smith Matthew Lux

Isotope 217° is a Chicago-based band composed mainly of members from Tortoise and the Chicago Underground Orchestra that was formed in 1997. The New York Times described the band as "..adept to varying degrees at rock and funk and jazz and electronics, turn those introspective moments into jams that are messier and warmer than Tortoise's."

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