Better than “sitting in my bedroom with an iPhone.” Local Spins today presents two interview and performance videos probing the unique advantages of live-stream concerts broadcast from a bona fide stage as gauged by musicians Ralston Bowles and Michael Crittenden, and St. Cecilia’s Cathy Holbrook. “It’s an actual venue,” Crittenden said of playing St. Cecilia even without an in-person audience.