Spontanea is a collective of Seattle-based improvisers representing diverse backgrounds and influences. 
The interaction of these three soloists defines Spontanea'a music: guitar innovator Matt Benham employs a custom array of effects to stretch the sonic borders. Carol J Levin plays an electrified harp, producing a span unique to that instrument, adding percussion & kalimba and effects. Kenny Mandell, award-winning jazz performer and educator, uses reeds, woodwinds and percussion in myriad ways. Scott Schaffer adds bass and other strings to the mix and facilitates their recording process.

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The group recorded its first album, Flow, in 2018, a freewheeling tapestry of quartets, trios, duets and solos linked together in a single narrative. Just before the coronavirus lockdown began, they recorded two free-ranging new records with special guest, cellist James Hoskins. Their May 2020 release, Chromasonic, explores synesthesia, the blending of senses, with songs inspired by the work of visual artist Ellie Polk. The third album, Quintaphonic, was released in February 2021.