May is a big season for any city like Austin. College students are closing the book on school, prom kids are, well, prom-ing, and the city of Austin has its usual everyday festivities going in full force. Austin’s Grandmaster Orchestra has been at it for over a year, assembling a lineup that spans some of the best artists the local music sphere offers. The members of the Grandmaster ensemble, honorably dubbed “Zealots,” take their leader, the Grandmaster’s mission, to heart. The local nonet, turned duodecet for the Austin act’s album release show at Stateside Theatre in downtown Austin, featured a star-studded bill that delivered musicianship and auras of longtime friendship that showed a pivotal moment for the Austin music scene of the current era