Music on the Hill invites singers to join the summer chorus for Haydn’s Lord Nelson Mass with guest conductor Scott Taylor of Annapolis, Md.

Rehearsals are on Tuesdays and Thursdays, beginning July 9, from 7 to 9 p.m. at the Weston Library, 56 Norfield Road.

The chorus will perform on Thursday, Aug. 1, at 8 p.m. at St. Matthew’s Episcopal Church in Wilton, 36 New Canaan Road. No audition is required; registration is $40.

Email ellen@music onthehillct.org to register.