Bringing together two groups of spectacular improvisers versed in free and electroacoustic improvisation for a live transatlantic performance, one group of seven musicians primarily from The UK & Europe performing from The Hot Tin venue in Faversham, Kent, UK, the other group of six musicians performing from Roulette, New York City, for this stunningly impressive group improvisation.

A 2022 concert of acoustic and electroacoustic interaction at The Jazz Centre UK from the Trans Map duo of Evan Parker on soprano saxophone and Matthew Wright on laptop processing, the "+" in Transmap+ being trombonist Robert Jarvis, a versatile collaborator since London Improvisers Orchestra and here a 3rd voice expanding their spectacular open collective free improv.