Answer: bostonpops

AnswerCrossword Clue
BOSTONPOPSBreakfast cereal for music lovers?
BOSTONPOPSBeantown dads?
BOSTONPOPSMusical group founded by a Civil War vet
BOSTONPOPS"Evening at" PBS orchestra
BOSTONPOPSCultural fixture of the Hub
BOSTONPOPSJohn Williams ensemble
BOSTONPOPSBand-leader, not so backward, fathers mass-appeal concerts (6,4)
BOSTONPOPSOrchestra once conducted by John Williams
BOSTONPOPSOrchestra that performs an annual Fireworks Spectacular