The Ivan Julian Band headlines this year’s Hoboken’s Spring Arts & Music Festival on Sunday, May 1. And while Julian himself may be unfamiliar to many festgoers, his bandmates include several Mile Square scene stalwarts: James Mastro (Bongos, Karyn Kuhl Band), Jared Nickerson (Human Switchboard, Burnt Sugar Arkestra) and background singers Debby Schwartz and Judy Nock of Psych-O-Positive. “I’ve played with Ivan on and off over the past 30 years, and what I’ve learned to expect from him is the unexpected,” enthused Mastro. “He doesn’t play guitar — he IS a guitar. When he walks in a room, or o…
