Fresh from her Boston Symphony Orchestra debut and San Francisco Opera debut earlier this season, soprano Julia Bullock is the opera world’s rising star. Having grown up listening to Pink Floyd and Jimi Hendrix, this Juilliard graduate deftly delivers fresh, impassioned perspectives to both Mozart and Billie Holiday. Between performing in New York and preparing for her upcoming Boston recital, Julia took some time to talk to us about discipline, storytelling, and why she doesn’t want to be thought of as a crossover artist.