Carissimi: Sunday’s Mass; Pentecost Sunday

Pentecost Sunday: Missa “Spiritus Domini“ Whitsunday or the Solemnity of Pentecost is a Double of the First Class Feast with a Privileged Octave of the First Order and the Station at St. Peter. Our Lord Jesus Christ, being seated on the right hand of the Father, sent, as He had promised, the Holy Ghost upon the…