Arc Iris is Jocie Adams, and all the composing, singing, and multi-instrumental skills she and her fluctuating band possess. She mixes up cabaret-infused jazz and orchestral nuances to create highly eclectic songs. One might draw on '70s pop, while the next may have hints of Björk’s experimentation. She’s also a former NASA researcher, which is just damn cool. She and her band will be shape-shifting through genre and style this evening. Support comes from Nicole Atkins and Charlie Cunningham. General admission. Under 18s must be accompanied.