Think you know Gretsches? Gruhn Guitars’ Lloyd Nicely will teach you a thing or two in this episode of A&A spotlighting a ’57 6120 with DeArmond single-coils and a weird detachable budget vibrato piece once offered to customers who couldn’t afford the Bigsby upgrade. And we get to hear it all through an early ’60s blonde Bassman piggybacked on an unusual 1x15 cab.