Fishman FLUENCE SIGNATURE SERIES Greg Koch Gristle-Tone P90 Bridge Pickup - BlackThe Fishman Fluence Greg Koch Gristle Tone Signature P 90 pickup set employs an active pickup design to eliminate noise without sacrificing a single drop of tone, and they run off an onboard rechargeable power supply for up to 60 hours of continual performance. The Fishman Fluence Greg Koch Gristle Tone Signature P 90 pickup set presents a panoply of drool inducing P 90 sounds, from jangly clean tones to muscular overwound coil punch. Fishman artist