Original: Announcements of the publication of Purcell 's Ode for St Cecilia 's Day , first performed , 22 November 1683 In 1685 , he wrote two of his finest anthems , '' I was glad '' and '' My heart is inditing '' , for the coronation of King James II .
Simplified: In 1685 , he wrote two of his finest anthems , '' I was glad '' and '' My heart is inditing '' , for the coronation of King James II .