Answer: symphonies

AnswerCrossword Clue
SYMPHONIESHaydn is known as their "father."
symphoniesSomething regarded, typically favorably, as a composition of different elements
symphoniesA concert performed by a symphony orchestra
symphoniesAn elaborate musical composition for full orchestra, typically in four movements, at least one of which is traditionally in sonata form
symphoniesAn orchestral interlude in a large-scale vocal work
symphoniesSYMPHONY, an orchestral composition