Siphoning the spirits of rock, funk, R&B, jazz, and pop through a kaleidoscope of unpredictable and virtuosic improvisation, Boston-based seven-piece Ripe has won over legions of fans the old-fashioned way—by compelling crowds night after night to get up on their feet, dance, and bask in the inimitable and indefinable chemistry that has separated and singled out Ripe since day one.