While the music world mourns two significant losses within 10 days – first, Grateful Dead bassist Phil Lesh and now composer, arranger, songwriter and producer Quincy Jones, who was a legendary figure in music for the better part of the last century – local listeners take refuge in the small but mighty community thriving right here.

First organized by Chris Fritz last year, the LBI Singer/Songwriter Showcase has become a regular event that aims to highlight a rotating roster of local artists’…