First performed in Leipzig in 1729, one of Bach's most sacred works is this evangelist's "Passion"
Since 1975 it 
is usually assumed that Bach's St Matthew Passion was first performed on Good 
Friday... [DOC] [TLE] The Genesis of Bach's `Great Passion: 1724-29 - Bach Cantatas [PAR] responsibilities as Leipzig Music Director and Cantor of the four principal ... 
composition of Bach's St. Matthew Passion took five years, from 1724 to 1729.