We review the reissued 1992 album “Naught Again” by Zero, a band that featured Steve Kimock playing Grateful Dead-style jams with a virtuoso backing band. Here, he offers a fresh take on “End of World Blues” shot during a recent sound check at the Fillmore Auditorium, in San Francisco. His ’68 Gibson goldtop is running through a Two Rock Vintage Deluxe prototype and a Fat Jimmy Jimmy James, “Both coasting clean, with reasonable volume,” he said. Watch for feature on the guitar in a future issue