Popular music of the last 9 decades. It’s not so much that the band is fickle. More like omnivorous. It all starts with the remarkable Meghan Koch, voice teacher and accompanist at Rochester’s School of the Arts. As a pianist, she can play concertos, swing like Monk, or give you the pop styles of Elton John and Sara Bareilles. Add four-part harmonies and a recovering rock rhythm section and you get something totally unique: swinging, lilting, tilting, fun and moving. From Tin Pan Alley to Nashville by way of psychedeli