GRAMMY award-winning harmonica player Grégoire Maret teams up with harp virtuoso Edmar Castaneda at the Wigmore Hall for the EFG London Jazz Festival

Having re-written the rulebook for their respective instruments, creating inspiringly unusual jazz in 'Harp vs. Harp', their strong musical affinity and clear musical and background connections are even more apparent live on stage - a melting pot of musical cultures unfolding note by note.