The Handel and Haydn Society (H+H) will present Händel’s ‘Messiah’ at Symphony Hall starting on November 29, 2024. The production, which will run through Dec. 1 will feature period instruments and soloists including soprano Jeanine De Bique, countertenor Reginald Mobley, tenor Nicholas Phan, and baritone Sumner Thompson. The company also revealed the introduction of  “CitySing,” a new initiative conceived by {…}