In 2007, 1,802 Germans played “Smoke On the Water” in unison to enter the Guinness Book of World Records as the largest recorded guitar ensemble. That record was topped Sunday afternoon at Luckenbach, when 1,859 pickers played “Luckenbach, Texas” and “This Land Is Your Land.” 1,859 guitar players in one spot- and it wasn’t an Eric Johnson concert! The “Pickin’ For the Record” event was organized by the Voices of a Grateful Nation, a support group for American soldiers and veterans, whose Welcome Home Project was the beneficiary. Pickers paid $10 each, but they received a t-shirt commemorating their participation....