Back to all posts TIM BERTSCH DEMOS GUILD D-55 @ 2017 WINTER NAMM SHOW FOR ACOUSTIC GUITAR MAGAZINE AG VIDEO SESSION!! TIM BERTSCH DEMOS GUILD D-55 @ 2017 WINTER NAMM SHOW FOR ACOUSTIC GUITAR MAGAZINE AG VIDEO SESSION!!! http://acousticguitar.com/watch-guild-guitars-introduce-its-newly-refreshed-california-made-d-55-winter-namm-2017/ Leave a comment