What is the form given for the hallelujah chorus?

The "Hallelujah Chorus" from Handel's "Messiah" is typically structured in a ternary form (ABA), featuring contrasting sections. The A sections are characterized by a powerful choral declaration of "Hallelujah," while the B section introduces a more subdued and reflective passage. This contrast emphasizes the joyous proclamation of the chorus, underscoring its celebratory nature. The piece is also notable for its rich orchestration and the use of dynamics to enhance its emotional impact.