Carlos Santana is a big fan of Emerald City Guitars.Josh Kerns and I went on a field trip for this week’s edition of Seattle Sounds, the one-hour music show we co-host on 97.3 KIRO FM. Jay Boone, the owner of Emerald City Guitars — and one of the nicest guys I’ve ever met with an axe between his fingers — opened the doors of his shop for us and told us stories of his three decades in the business of selling guitars. The guy’s got stories, and we captured a few keepers. This week we’re also talking about Soundgarden 2.0, my recent obsession with Oberhofer. Hey, we’ve got a report from our friend Rachel Belle, too. Tune in to 97.3 KIRO FM Friday at 9 p.m. and Sunday at 3 p.m. to hear the show, or stream it after the fact at MyNorthwest.com/SeattleSounds.